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When speaking or writing, people tend to re-use the syntactic structures they recently encountered (structural priming). Individuals differ in the extent to which they are primed (primeability). Previous research has suggested that perspective-taking, that is, the ability to imagine the feelings, thoughts and perceptions of others, predicts the magnitude of priming in adults. The present study investigates if this also holds for monolingual and bilingual children. We primed the possessive structure in monolingual Dutch children and bilingual children with varying L2s. There was individual variation in children’s primeability in both groups. For both monolinguals and bilinguals, we found that the better children were at perspective-taking, the more likely they were to be primed. Dutch language proficiency also influenced children’s primeability: higher language proficiency resulted in more priming in both groups. The findings suggest that structural priming serves a social function which is mediated by perspective-taking abilities.

Intentional bilingualism is becoming increasingly popular in EFL countries, where many second-language speakers of English raise their children as a bilingual, with English alongside the local language. This article explores a case of intentional bilingualism spanning the first four years of a child, Ipek, who lives in Türkiye and has been exposed to Turkish and English since birth. As part of a longitudinal qualitative study, field and reflective notes were analysed to outline the key elements of Ipek’s context, including the participants, tools, methods and techniques. The insights and experiences gained in the study may contribute to developing effective strategies for developing intentional bilingualism.

The literature on bilingual language development often reports cases of cross-linguistic interaction of the two languages being acquired. In this paper, we investigate possible cross-linguistic interaction outputs in the development of branching onsets in the bilingual acquisition of French and Portuguese. Thirty French–Portuguese bilingual children, aged between 3;6 and 6;1, participated in our study. Their elicited productions were collected using two picture naming tasks containing 29 clusters in French and 57 clusters in Portuguese. Almost all the children acquire branching onsets earlier in French than in Portuguese, independently of the quality of cluster type (Consonant + Rhotic (Cr) clusters vs. Consonant + Lateral (Cl) clusters). Epenthesis is more present in Portuguese than in French. Shared structures in both languages are not acquired at the same time. These results show that bilingual children follow separate patterns of development, close to the ones reported for monolinguals, during the acquisition of their two languages. Moreover, the bilingual children show higher rates of development of clusters in Portuguese than the ones reported for monolinguals, suggesting an accelerated acquisition of clusters in Portuguese due to a positive influence of French.

This study delves into the concept of Harmonious Bilingual Development (HBD), characterizing families where linguistic situations do not adversely affect their well-being. Following a recently proposed holistic framework on Harmonious Bilingual Experience (HBE), this research aims to discern the relationship between input factors and the bilingual children’s social–emotional and behavioral skills (SEBS). While input undoubtedly plays a major role in bilingual development, more insight is needed on the quantity and quality of input necessary to foster HBD. A total of 36 five-year-old children with Russian and French as their first languages participated in our study. Children’s language exposure and input quality, as well as parental attitudes, beliefs and strategies regarding language transmission, were assessed with parent questionnaires and activity journals. Additionally, parents assessed their children’s SEBS using the Strengths and Difficulties Questionnaire. Hierarchical cluster analysis identified family profiles which support HBD. We found that the quantity of Russian input, as measured by current exposure, does not directly correlate with SEBS. However, less than 30% of weekly input in Russian appears insufficient for achieving HBD. Furthermore, our study suggests that engaging in at least one extra-curricular activity in Russian, e.g., Saturday school, coupled with parental impact belief, aligns with a family profile experiencing more HBD. These results are coherent with previous studies on harmonious bilingualism, and emphasize the interplay of quantitative and qualitative input factors, as well as SEBS, for achieving HBD.

Network analytical approaches have been applied to the study of young bilinguals’ word learning strategies by a growing body of research in various settings (for a review, see Wojcik, 2018). They have investigated the effect of one language on the structure of the other’s network or compared both networks, trying to identify similarities. These studies have identified features that influence bilinguals’ acquisition process: frequency, phonological features (Bilson et al., 2015), the presence of translation equivalents and cognates (Bosch & Ramon-Casas, 2014), and familiarity (Wojcik, 2018), among others. The present study was an exploratory attempt to capture the structure of the receptive vocabulary networks of young bilingual children, by combining both of their languages. Network analysis can model the connections or links of word-nodes based on selected lexical features. The links in the present social networks were determined by how many of the participating children knew two words at the same time. This knowledge was previously tested with the English (Dunn & Dunn, 1997) and Dutch (Schlichting, 2005) versions of the Peabody Picture Vocabulary Test (PPVT) with children with early exposure to both languages (Aalberse et al. [MIND-team], 2021). Exposure to Dutch and English at children's homes and daycare centers for each individual child was assessed through a parental and daycare questionnaire respectively (MIND-team, 2021). Social network analysis, using the ORA-lite software (Altman & Reminga, 2018), was used to create a network for all the children (N=297; MAge= 34.5 months, SDAge= 6.5 months) and two networks of two subgroups based on exposure (Group A: higher English than Dutch exposure, and Group B: higher Dutch than English exposure). Average exposure scores were used as a threshold and cut-off point to determine ‘high’ and ‘low’ exposure groups. The Leiden algorithm was applied to the networks (Traag et al., 2019). The algorithm is designed to identify groups, sets, and clusters within dense networks with many nodes and links. The comparison of these three networks revealed the role of exposure in acquisition and hints at the strategies employed by bilingual children in word learning. The total group of children, without exposure factored in, showed clear clustering along the language divide, with Dutch words being more central in the network. To account for exposure, the total group was divided into two subgroups, one with higher exposure to Dutch (N=118; MAge= 34.84 months) and one with higher exposure to English (N=100, MAge= 34.23 months). Whereas the subgroup with higher Dutch exposure mirrored the clustering trends of the total group of children, the subgroup with higher English exposure showed higher cross-language clustering, with both English and Dutch words being in the same Leiden cluster more consistently in the network. In the group with higher Dutch exposure, the three node-sets detected, through the Leiden algorithm, were 1) central Dutch words, 2) peripheral Dutch words and 3) peripheral English words. Contrastively, for the group with higher English exposure, the central node-set included words from both languages. This marks a group of words (from both languages) with increased learnability and potential links with each other. Joint membership in frequent semantic categories (animal names, food, clothing, small household items, and body parts) and phonological features (word length and initial sound) are the most likely candidates that guided cross-language clustering. Word difficulty affected the structure of the network as a whole: words belonging to higher PPVT sets were known by fewer children than the ones in lower sets. Overall, exposure scores were shown to have an important effect on cross-language clustering and network structure. To which relative the children spoke to and for how long they spoke to them per day (MIND-team, 2021) could determine the centrality of words in the network. Children growing up in the Netherlands have a high exposure to Dutch, as the societal language. That meant that the English group (higher English exposure) had more exposure to Dutch than the Dutch group (higher Dutch exposure) had to English. For the English group, that led to a more balanced exposure to both languages, which most likely led to higher cross-language clustering for learned words. This study offers a new methodology for studying lexical acquisition, with the aim of capturing the interconnected nature of bilinguals’ languages. The results from the balanced exposure group are in accordance with emergentist accounts of language acquisition (Claussenius-Kalman et al., 2021), suggesting that ‘one word [might utilize] the conceptual packaging invoked by a word in the other language' (Bilson et al., 2015). There were semantic and phonological features that linked words across languages in learning. No strong effect of cross-linguistic learning was found for translation equivalents and cognates, because these items were rare between the English and Dutch versions of the PPVT. Nonetheless, the contributions of the present study are an added step to the investigation of the factors that might drive connectivity in lexical acquisition.

Input is considered crucial in bilingual children’s language development. This is especially true for bilingual children’s mother tongue language learning given its common reduction in input opportunities due to the dominance of one language within society, as seen in countries and regions from Wales to Singapore. Previous studies tend to focus on the quantity and quality of conventional active communication and resources (e.g., speaking and reading with parents) on bilingual children’s language development, and substantially, fewer studies have explored this topic from the perspective of digital media. However, the COVID-19 pandemic has accentuated the critical role of digital media in various aspects of life, including bilingual children’s home language environment. Thus, to holistically understand bilingual children’s daily language input patterns, it is imperative to explore both their conventional and digital media input resources. The current study focuses on English-Mandarin bilingual children in Singapore and would like to explore (1) whether their conventional and digital media language environments have been affected by the COVID-19 pandemic and (2) whether the societal status of a language and familial socioeconomic status (SES) would affect bilingual children’s conventional and digital media input. Survey data from 162 parents of English-Mandarin bilingual preschoolers (3 to 6 years old) were used to explore the two research questions. Two online parental questionnaires were employed for data collection. One-way repeated-measures MANOVA and path models were used to address the questions. The results indicated that input patterns from nuclear family members had not been affected by COVID-19; however, the amount and frequency of conventional and digital media materials and activities increased significantly since COVID-19. Higher-SES families possessed more conventional materials and conducted conventional activities more often, while lower-SES families possessed more digital media materials. Both conventional and digital media materials and activities were richer in English than in Mandarin. Higher-SES families perceived digital media usage for learning to be of less importance than lower-SES families. The implications for early bilingual learning following COVID-19 are discussed.

The article presents the relevant issue of analysing the common features of the grammar of Russian as language inherited by the second or third generation of migrant children in Europe and in the world. The novelty of the study is in the fact that it compares the speech of children with different dominant languages and, in particular, studies the speech of a group of children from families of Russian Germans living in Germany under dual language inheritance. Their parents have a very rich migration history, as they are, in turn, also heritage speakers of German, the language, which they spoke in their family. In the present paper, the main task will be to identify the common features determined by the contact between Russian as a heritage language and other languages, especially at morphological and lexical levels. For this purpose, a field research project was conducted at the Learning and Integration Centre Dialog e. V. in Reutlingen. The analysis of oral and written works of bilingual children of the last generation of Russian Germans showed not only the common elements of erosion identified in the heritage grammar, but also the special linguistic features caused by the transition from German-Russian to Russian-German inheritance. The influence of their parents language distinguishes them from other groups of Russian students, emphasizes the importance of studying not only childrens, but also their parents speech, as well as teaching standard Russian in the framework of non-formal education.

This study compared the online comprehension and the production of multiple interrogatives in 18 Romanian-English bilingual children aged 6;0–9;2 (MAGE = 8;0) living in the UK who have Romanian as heritage language (L1) and English as majority language (L2) and 32 Romanian monolingual children aged 6;11 to 9;8 (MAGE = 8;3). We examined whether differences emerge between heritage and monolingual children in the online comprehension and in the production of multiple interrogatives in Romanian, which requires fronting of all wh-phrases, contrary to English. The main aim was to uncover to which extent similarities or differences in morphosyntactic properties between the L1 and the L2 systems affect the acquisition and processing of the heritage language/L1. Online comprehension was assessed in a self-paced listening task, while production was assessed using an elicitation task. The results reveal that Romanian heritage children show similar online comprehension patterns to monolingual children for multiple interrogatives in Romanian. A different pattern emerges for production as heritage children produce less complex multiple questions in Romanian and avoid movement of two wh-phrases in all elicited structures. Given that their predominant responses for multiple interrogatives only make use of the structural option present in English, namely one fronted wh-phrase and one in-situ, we take this to show that there is transfer from the majority language to the heritage language. Thus, language production in the children’s L1 seems to be affected by properties of the dominant L2, under cross-linguistic influence. Taken together, the results for both comprehension and production suggest that heritage children are able to establish the underlying representation of multiple wh-movement structures, similarly to monolinguals, but have difficulties activating the more complex structure in production.

This paper provides an analysis of French and Russian discourse produced by different types of bilingual children. The respondents were asked to describe a set of pictures using Russian and French reflexive and reciprocal verbs, as well as their irreflexive analogues from the other language. The respondents were natural bilinguals that lived in France in Russian-French or Russian families. The research followed the long-existing tradition of bilingual discourse studies via picture description. The check set included twenty-two pictures that featured a cat performing different actions. The speech contained verbs that matched the predicted use, their synonyms, and even other verbal constructions, e.g. passive or infinitive verb forms. Furthermore, children used one-member sentences that consisted of nouns or adverbs. In all cases, the children demonstrated a more advanced level of the French language than that of Russian. This followed from several indicators: lack of Russian comments, amount of incorrect or non-standard comments, and constant switching to French. French interference appeared more pronounced. As for reflexive verbs, the number of errors was insignificant both in Russian and French discourse.

The article deals with insertions viewed as a sub-type of intrasententional code switches within utterances of a child who simultaneously acquires Russian and English in a Russian family in Russia. Longitudinal studies of bilingual children’s speech activities are among the topical research phenomena since they can provide insight into the essential characteristics of early childhood bilingualism development. The bilingualism under observation is developed according to the principle “one person – one language” in a Russian monoethnic family, with mother speaking her native language and father speaking English, his non-native language, with their child. The authors’aim is to find out structural characteristics of insertions and their use in mixed utterances of the child during five years of his bilingual development (at the age period between three and eight years old). The data are oral utterances of the child that have been obtained with the help of participant observation fixed by videotaping and written notes. Structural analysis of insertions is based on the theoretical assumptions of the Matrix Frame Model elaborated by an American linguist C. Myers-Scotton. Two opposite trends act in the observed case: on the one hand, English language competence of the child is increasing; on the other hand, Russian as a dominant language has been more and more actively used as the Matrix language in mixed utterances, which subdues English insertions and limits their morphosyntactic significance. The results of the research show how different kinds of insertions reveal the dynamics of childhood bilingualism developed within a family or in a kindergarten.

Over-identification of language disorder among bilingual children with typical development (TD) is a risk factor in assessment. One strategy for improving assessment accuracy with bilingual children is to determine which linguistic sub-domains differentiate bilingual children with TD from bilingual children with developmental language disorder (DLD). To date, little research on sequential bilinguals with TD and DLD has focussed on complex (multi-clausal) sentences in naturalistic production, even though this is a noted domain of weakness for school-age monolinguals with DLD. Accordingly, we sought to determine if there were differences in the use of complex sentences in conversational and narrative tasks between school-age sequential bilinguals with TD and with DLD at the early stages of L2 acquisition. We administered a conversation and a narrative task to 63 English L2 children with TD and DLD, aged 5–7 years with 2 years of exposure to the L2. Children had diverse first language backgrounds. The L2-TD and L2-DLD groups were matched for age, length of L2 exposure and general L2 proficiency (receptive vocabulary size). Language samples from both tasks were coded and analyzed for the use of complex versus simple sentences, for the distribution of complex sentence types, for clausal density and mean length of utterance (MLU). Complex sentences included coordinated clauses, sentential complement clauses, adverbial clauses and relative clauses. Using regression modelling and PERMANOVA, we found that the L2-TD group produced more complex sentences than the L2-DLD group, with coordinated clauses, adverbial clauses and relative clauses differing the most between the groups. Furthermore, the two groups differed for mean clausal density, but not for MLU, indicating that clausal density and MLU did not estimate identical morphosyntactic abilities. Individual variation in complex sentence production for L2-TD was predicted by longer L2 exposure and task; by contrast, for L2-DLD, it was predicted by older age. This study indicates that complex sentence production is an area of weakness for bilingual children with DLD, as it is for monolinguals with DLD. The clinical implications of these findings are discussed.

The current study investigated the mechanisms of heritage language (HL) development with a focus on case morphology. First, the effects of cross-linguistic influence (i.e., the influence of the properties of the societal language (SL) on the acquisition of the HL) was assessed by performing bilingual vs. monolingual, and between-bilingual group comparisons (Russian–Dutch vs. Russian–Hebrew bilinguals). Russian, Hebrew, and Dutch show differences in the marking of the accusative (ACC) and genitive (GEN) cases, and these differences were used as a basis for the evaluation of cross-linguistic influences. Second, the study evaluated the contribution of language-external factors such as chronological age, age of onset of bilingualism (AoO), languages spoken by the parent to the child (only HL, only SL, both HL and SL), and family language type (both parents are HL speakers, mixed families). Finally, we assessed how language-external factors might potentially mitigate the effects of cross-linguistic influences in bilinguals. Russian-Dutch bilinguals from the Netherlands (n = 39, MAGE = 5.1, SD = 0.8), Russian-Hebrew bilinguals from Israel (n = 36, MAGE = 4.9, SD = 0.9) and monolingual Russian-speaking children (n = 41, MAGE = 4.8, SD = 0.8), along with adult controls residing in the Russian Federation, participated in the study. The case production of ACC and GEN cases was evaluated using elicitation tasks. For the bilinguals, the background data on individual language-external factors were elicited from the participants. The results show that case morphology is challenging under HL acquisition—case acquisition in the HL is impeded under the influence of the properties of the SL. This is evident in the lower performance of both bilingual groups, compared with the monolingual controls who showed ceiling performance in the production of target inflection in the ACC and GEN contexts. More specifically, the acquisition of morphology is hindered when there are differences in the mapping of functional features (such as with Russian-Hebrew bilinguals) and/or the absence of this feature marking (such as with Russian-Dutch bilinguals). But the findings also point to the involvement of language-external factors as important mitigators of potential negative effects of cross-linguistic influence. In summary, HL development is an intricate interplay between cross-linguistic influence and language-external factors.

Previous research has shown that bilingual children outperform monolinguals on tasks testing cognitive control. Bilinguals’ enhanced cognitive control is thought to be caused by the necessity to exert more language control in bilingual compared to monolingual settings. Surprisingly, between-group research of cognitive effects of bilingualism is hardly ever combined with within-group research that investigates relationships between language control and cognitive control. The present study compared 27 monolingual Dutch and 27 bilingual Turkish-Dutch children matched on age and fluid intelligence on their performance in a nonverbal switching task. Within the group of bilinguals, the relationship between nonverbal switching and language switching was examined. The results revealed no between-group differences on nonverbal switching. Within the bilingual sample, response times in the language switching and nonverbal switching tasks were related, although no relationships were found between accuracy, switching cost and mixing cost on both tasks. The results support the hypothesis that children utilize domain-general cognitive control in language switching, but this relationship does not entail that bilinguals have better cognitive control than monolinguals.

In this paper, we consider elicited production data (real and nonce words tasks) from five different studies on the acquisition of grammatical gender in Heritage Russian, comparing children growing up in Germany, Israel, Norway, Latvia, and the United Kingdom. The children grow up in diverse heritage language backgrounds, ranging from small groups (in Norway) to large communities (in Latvia). Furthermore, the children vary with respect to family background (one or two Russian-speaking parents) as well as the intensity of instruction in the heritage language through complementary schools. Russian has a three-gender system (masculine, feminine, and neuter) with gender cues varying in their transparency, predictability and frequency. The majority languages that these children speak differ widely with respect to the linguistic property studied: While English has no grammatical gender, Latvian and Hebrew both have two-gender systems (feminine and masculine), as well as the Oslo and Tromsø dialects of Norwegian (masculine and neuter), while German has a three-gender system, with a feminine-masculine-neuter distinction, like Russian. However, the transparency of gender assignment varies greatly, with Hebrew and Latvian having predictable gender based on the shape of the noun, like Russian, while gender assignment in Norwegian is generally arbitrary and German is semi-transparent, with gender assignment tendencies rather than rules. The focus in the paper is on language-internal and language-external factors that may be (non-)facilitative for the acquisition of gender in Russian, i.e., possible cross-linguistic influence from the majority language and the importance of background factors, such as family situation, age at start of kindergarten, size of the Russian-speaking community, current exposure to Heritage Russian instruction, and the main language of instruction. Our results show no significant differences across groups with respect to the majority language, but clear effects of background variables, with family type, age, and current exposure to Heritage Russian instruction as the most important ones.

This longitudinal study examined morphosyntactic development in the heritage Arabic-L1 and English-L2 of first-generation Syrian refugee children (mean age = 9.5; range = 6–13) within their first three years in Canada. Morphosyntactic abilities were measured using sentence repetition tasks (SRTs) in English and Syrian Arabic that included diverse morphosyntactic structures. Direct measures of verbal and non-verbal cognitive skills were obtained, and a parent questionnaire provided the age at L2 acquisition onset (AOA) and input variables. We found the following: Dominance in the L1 was evident at both time periods, regardless of AOA, and growth in bilingual abilities was found over time. Cognitive skills accounted for substantial variance in SRT scores in both languages and at both times. An older AOA was associated with superior SRT scores at Time−1 for both languages, but at Time-2, older AOA only contributed to superior SRT scores in Arabic. Using the L2 with siblings gave a boost to English at Time−1 but had a negative effect on Arabic at Time-2. We conclude that first-generation children show strong heritage-L1 maintenance early on, and individual differences in cognitive skills have stable effects on morphosyntax in both languages over time, but age and input factors have differential effects on each language and over time.

Bilingual children often experience difficulties with inflectional morphology. The aim of this longitudinal study was to investigate how regularity of inflection in combination with verbal short-term and working memory (VSTM, VWM) influences bilingual children’s performance. Data from 231 typically developing five- to eight-year-old children were analyzed: Dutch monolingual children (N = 45), Frisian-Dutch bilingual children (N = 106), Turkish-Dutch bilingual children (N = 31), Tarifit-Dutch bilingual children (N = 38) and Arabic-Dutch bilingual children (N = 11). Inflection was measured with an expressive morphology task. VSTM and VWM were measured with a Forward and Backward Digit Span task, respectively. The results showed that, overall, children performed more accurately at regular than irregular forms, with the smallest gap between regulars and irregulars for monolinguals. Furthermore, this gap was smaller for older children and children who scored better on a non-verbal intelligence measure. In bilingual children, higher accuracy at using (irregular) inflection was predicted by a smaller cross-linguistic distance, a larger amount of Dutch at home, and a higher level of parental education. Finally, children with better VSTM, but not VWM, were more accurate at using regular and irregular inflection.

The current study explores the influence of socioeconomic status (SES) and bilingualism on the linguistic skills and verbal short-term memory of preschool children. In previous studies comparing children of low and mid-high SES, the terms “a child with low-SES” and “a child speaking a minority language” are often interchangeable, not enabling differentiated evaluation of these two variables. The present study controls for this confluence by testing children born and residing in the same country and attending the same kindergartens, with all bilingual children speaking the same heritage language (HL-Russian). A total of 120 children (88 bilingual children: 44 with low SES; and 32 monolingual children: 16 with low SES) with typical language development, aged 5; 7–6; 7, were tested in the societal language (SL-Hebrew) on expressive vocabulary and three repetition tasks [forward digit span (FWD), nonword repetition (NWR), and sentence repetition (SRep)], which tap into verbal short-term memory. The results indicated that SES and bilingualism impact different child abilities. Bilingualism is associated with decreased vocabulary size and lower performance on verbal short-term memory tasks with higher linguistic load in the SL-Hebrew. The negative effect of bilingualism on verbal short-term memory disappears once vocabulary is accounted for. SES influences not only linguistic performance, but also verbal short-term memory with lowest linguistic load. The negative effect of SES cannot be solely attributed to lower vocabulary scores, suggesting that an unprivileged background has a negative impact on children’s cognitive development beyond a linguistic disadvantage. The results have important clinical implications and call for more research exploring the varied impact of language and life experience on children’s linguistic and cognitive skills.

The present study examines the processing of subject-verb (SV) number agreement with coordinate subjects in preverbal and postverbal positions in Greek. Greek is a language with morphological number marked on nominal and verbal elements. Coordinate SV agreement however is special in Greek as it is sensitive to the coordinate subject’s position: when preverbal, the verb is marked for plural while when postverbal the verb can be in the singular. We conducted two experiments, an acceptability judgment task with adult monolinguals as a pre-study (Experiment 1) and a self-paced reading task as the main study (Experiment 2) in order to obtain acceptance as well as processing data. Forty adult monolingual speakers of Greek participated in Experiment 1 and a hundred and forty one in Experiment 2. Seventy one children participated in Experiment 2: 30 Albanian-Greek sequential bilingual children and 41 Greek monolingual children aged 10 to 12 years. The adult data in Experiment 1 establish the difference in acceptability between singular VPs in SV and VS constructions reaffirming our hypothesis. Meanwhile, the adult data in Experiment 2 show that plural verbs accelerate processing regardless of subject position. The child online data show that sequential bilingual children have longer reading times (RTs) compared to the age-matched monolingual control group. However, both child groups follow a similar processing pattern in both preverbal and postverbal constructions showing longer RTs immediately after a singular verb when the subject was preverbal indicating a grammaticality effect. In the postverbal coordinate subject sentences, both child groups showed longer RTs on the first subject following the plural verb due to the temporary number mismatch between the verb and the first subject. This effect was resolved in monolingual children but was still present at the end of the sentence for bilingual children indicating difficulties to reanalyze and integrate information. Taken together, these findings demonstrate that (a) 10-12 year-old sequential bilingual children are sensitive to number agreement in SV coordinate constructions parsing sentences in the same way as monolingual children even though their vocabulary abilities are lower than that of age-matched monolingual peers and (b) bilinguals are slower in processing overall.

This paper describes the development of temporal expressions in a bilingual child acquiring two typologically distinct languages: Italian and Indonesian. These languages differ from one another in the way tense and aspect are encoded and it is interesting to observe what kind of cross-linguistic influence one language system has on the other. Italian verbs are heavily inflected for person, number as well as for tense, aspect and mood, whereas, in Indonesian, the encoding of tense and aspect is lexical rather than morphological; moreover encoding is optional when the context is sufficiently clear. This means that tense and aspect in Indonesian is often marked pragmatically rather than grammatically. This paper considers the interference effects that result from simultaneously acquiring these two typologically distinct systems.