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In content and language integrated learning (CLIL) classrooms, it is assumed that non-language content subjects provide more authentic communicative contexts for students to learn a foreign/second/additional language (L2). However, learning abstract concepts and academic language in an L2 simultaneously is also challenging for CLIL students. It is thus important for CLIL teachers to unpack and repack both abstract concepts and academic discourse for the students. 'Semantic waves', which model classroom practices of both unpacking and repacking, is arguably a key to understanding cumulative knowledge-building. Applying the concepts of semantic profiles and semantic waves, this paper analyses the classroom discourse of two CLIL science lessons in Hong Kong. In one lesson, the semantic profile mainly consists of downward shifts. The teacher adopted various useful strategies to unpack science concepts, especially with multimodalities, everyday L2 and students' L1 resources. Yet, there was limited repacking. In contrast, some repacking was observed in another lesson, where the teacher provided explicit instruction on academic language and guided students through academic writing tasks. A semantic wave can thus be observed there. These findings on strategies for unpacking and repacking provide significant insights into knowledge building in CLIL contexts, and may hence illuminate CLIL pedagogical practices.

Arising in Europe in the early 1990s, content and language integrated learning (CLIL) has become a popular educational approach. CLIL involves a dual focus on content and language learning with an additional language used as the medium of instruction. Although CLIL has received much attention and spread widely around the world, there is limited discussion that critically examines CLIL in relation to its core construct of integration between content and language learning. In particular, the phrasing of 'content and language integrated learning' gestures towards viewing language and content as separate entities. With these fundamental issues in mind, we discuss ways in which translanguaging pedagogies can provide a fruitful direction towards a critical integration of content and language learning in multilingual settings. With a view to contributing to a dynamic integration of content and language learning, we argue that CLIL pedagogies informed by translanguaging allow fluidity in meaning-making practices and critically re-examine the construct of language in CLIL. This approach responds to recent calls for more critical approaches to CLIL in order to challenge 'English-only'/target-language-only pedagogies, 'native-(English-)speakerism', and unequal power relations between content and language teachers in many CLIL programs. Implications of this approach to CLIL classrooms in diverse settings are also discussed.

Translanguaging and trans-semiotizing research has problematized the static view of language and argued that meaning making is a dynamic, material, social, and historical process across multiple timescales in complex eco-social systems. The second author proposed the concept of trans-semiotizing as an alternative lens to study language teaching and learning. In this autoethnographic study, the dynamic processes of online language learning and teaching are examined by analysing the semiotic resources, trans-semiotic practices, and the coordination of different semiotic resources. To capture such dynamic processes and the semiotic resources involved, the first author setup multiple cameras and used screen recording to document my teaching. Data include recordings of my computer screens, video recordings of my physical environment, facial expressions, body movements, screen shots of my social media posts, and my teaching notes. We draw on Lemke's dynamic eco-social system concept to discuss how semiotic resources are used in online language teaching and learning across different timescales.

Although people may readily refer to Britain, Canada, Australia, New Zealand, and the U.S. as Anglophone countries, recent demographic and sociolinguistic profiles of these countries indicate that they are actually both Anglophone and multilingual, and in some of their cities, even more multilingual than Anglophone. Recent research also indicates that when plurilingual approaches to teaching and learning were tried out in these settings challenges arose due to the 'either-or' binary thinking often found in institutional policies and among some instructors. In this paper, the rich semiotic practices and repertoires of migrant and international students are discussed to call for a shift from a deficit model to an asset model of teaching. Some possible ways to break through these 'either-or' binaries are offered through using a heteroglossic, plurilingual lens.

This paper examines the roles of multimodality and thematic patterns in the teaching of the particle model of matter. Although the particle model is a fundamental topic in science education, there is no consensus on (1) whether or not the model should be introduced in early grades and (2) how to introduce the model to students for the very first time. Drawing from teacher development projects in Sweden (Grade 3) and in Hong Kong (Grade 7), we suggest that the learning and teaching of the particle model can be facilitated by utilising a variety of modes. With multimodal scaffolding, Grade 3 students were able to demonstrate aspects of the particle model related to the expansion of gases in a warmer environment. The paper illustrates teaching episodes from the two projects in terms of (i) aspects of the particle model that were constructed using different semiotic modes, (ii) shifts in the salience of different modes in the teaching and learning process, and (iii) a thematic pattern that the classroom interactions adopted to explain puzzling phenomena. For a theoretical advancement, we suggest that thematic analysis should be extended to multimodal interactions.

Content-based education programmes, in which a second/foreign language (L2) is used as the medium of instruction when teaching non-language content subjects, aim at both content and L2 learning. With such dual goal in mind, and with the rapid expansion of the programmes to contexts where students might have only basic L2 proficiency, there have been consistent calls for reconsidering the roles of first language (L1) in the teaching and learning process. The functions of L1 in content-based classrooms have been well documented, but it is necessary to have a more systematic approach to planning and using L1. This paper seeks to address this gap by applying the notions of 'curriculum genres' and 'task structure' when analysing patterns of teachers' use of L1 and L2 in a collection of content subject lessons observed in English-medium secondary schools in Hong Kong. With illustrative episodes presented in this paper, we would argue that 'curriculum genres' and 'task structure' can serve as useful tools for both researchers and teachers to analyse and critically reflect on patterns of pedagogic practices and language use in content-based classrooms. These will have significant implications for future research on using L1 and illuminate effective pedagogy in content-based education.

Translanguaging theories emphasize a fluid, dynamic view of language and differ from code-switching/mixing theories by de-centring the analytic focus from the language(s) being used in the interaction to the speakers who are making meaning and constructing original and complex discursive practices. Trans-semiotizing theories further broaden the focus to analyse language as entangled with many other semiotics (e.g. visuals, gestures, bodily movement) in meaning making. In this paper recent developments in trans/languaging and trans-semiotizing theories are discussed in conjunction with fine-grained classroom analyses to illustrate the key role played by trans/languaging and trans-semiotizing practices in the dialogic construal of content meaning in content-based education.

While translanguaging research has been gaining currency worldwide, calls have been made for deepening its theorisation and providing more systematic pedagogical guidance. To contribute to this discussion, this study is informed by a fluid, distributed, dynamic process view of human meaning-making. Through a fine-grained multimodal analysis of classroom activities and interactions, it elucidates the translanguaging/trans-semiotising practices of an experienced science teacher trying out a CLIL (Content and Language Integrated Learning) approach inspired by the Multimodalities-Entextualisation Cycle (MEC) in a Grade 10 biology class in Hong Kong. Post-lesson interviews and survey indicated that such practices generated a positive impact on the students in the continuous flow of knowledge co-making. Implications of the study for furthering the theorisation and practices of translanguaging/trans-semiotising will be discussed.

There has been a rich literature on the role of language in learning and on its role in knowledge (co-)construction in the science classroom. This literature, rooted in social semiotics theories and sociocultural theories, discussed research conducted largely in contexts where students are learning content in their first language (L1). In this paper, we draw on concepts from this literature to analyse science lessons in an L2 (second/foreign language) context and discuss how these concepts can be further built on and extended to understand the role of "languaging" and "translanguaging" in knowledge (co-)construction and academic language learning in CLIL (Content and Language Integrated Learning) classrooms, where students are learning content in their L2.

In this article, the role of translanguaging in facilitating content and language integrated learning (CLIL) is examined in connection with the notion of academic language across the curriculum in multilingual contexts. Ethnographic naturalistic observations and interviews were conducted to analyse translanguaging in the dynamic flow of interactions among South Asian ethnic minoritized students and their science teacher in a CLIL classroom in Hong Kong. The analysis shows that despite dominant school and government policies that impose a monolingual medium of instruction, translanguaging naturally flows from the dynamic interactions and activities in the classroom as both teacher and students are intensely engaged in meaning making about the lesson topics. Drawing on a recent theoretical explication of translanguaging and flows, the notion of translanguaging is further explicated with new theoretical and empirical import from the distributed language view. Pedagogical implications for CLIL are discussed.

Content and language integrated learning (CLIL) is a rapidly growing area of both research and practice in all parts of the world, especially in Europe and Asia. As a young discipline, CLIL has a good potential of distinguishing itself from monolingual L2 immersion education models by becoming more flexible and balanced about the role of L1 in CLIL lessons. Although recent years have witnessed increasing research on the potential role of L1 in foreign language teaching [e.g. Littlewood, W., & Yu, B. 2009. First language and target language in the foreign language classroom. "Language Teacher," 42, 1-14], monolingual immersion ideologies are still dominant in many contexts in the world (especially in Southeast Asia) because of a whole host of ideologies. The beliefs affecting medium of instruction policies and practice have their roots in the traditional tenets (e.g. the maximum input hypothesis) in the discipline of second language acquisition (SLA). Although these tenets are increasingly being countered by recent research in multilingualism [see May, S. (Ed.). (2014). "The multilingual turn: Implications for SLA, TESOL and bilingual education." New York: Routledge, for a critique of these tenets], SLA still has an influence on pedagogies in both immersion and CLIL programmes. In this paper, I shall first critically review these deep-rooted monolingual tenets. Then, I shall discuss how we can conceptualise the potential role of L1 in CLIL and by extension in content-based instruction (CBI), as both CLIL and immersion programmes are considered to be key approaches to CBI. I shall conclude with suggestions for future research in CLIL.

In this paper, an excerpt of teacher-student interaction in an EFL junior secondary science classroom in Hong Kong is analysed using the conversation analytic method of sequential analysis. The fine-grained analysis reveals that in the teacher's effort to engage her students in the co-construction of a scientific proof, the students' familiar everyday discourses (e.g. students' examples and experiences as expressed in their familiar language) need to be allowed to play a significant role. It also shows how translanguaging can be well-coordinated with multimodal practices (using blackboard drawings, gestures) to facilitate students' meaning-making in the inquiry-based teacher-student dialogue.

In this article, the authors argue that at the center of every English language learning moment lies desire: desire for the language; for the identities that English represents; for capital, power, and images that are associated with English; for what is believed to lie beyond the doors that English unlocks. However, despite its centrality within TESOL practice, the construct of desire has been largely undertheorized by English language educators. The authors propose (1) that educators in the TESOL field would benefit from a greater recognition of desire as situated and co-constructed, acknowledging that our desires are not solely our own but are intersubjectively constituted and shaped by our social, historical, political, institutional, and economic contexts; (2) that the difference between conscious and unconscious desire is significant in language learning; and (3) that whereas desire can be manipulated in exploitative or unethical ways, it can also, given the right circumstances, serve as a tool for compassionate and liberatory pedagogy. This article explores the interconnectedness of desire with motivation and investment, the commodification of English, "akogare" desire, racial identities, globalizing forces, colonialism, and communicative language teaching. The authors propose a revisioning of TESOL that recognizes the centrality of desire in the acquisition of English.

Contemporary TESOL methodologies have been characterized by compartmentalization of languages in the classroom. However, recent years have seen the beginning signs of paradigmatic change in TESOL methodologies that indicate a move toward plurilingualism. In this article, the author draws on the case of Hong Kong to illustrate how, in the past four decades, deep-rooted ideologies of linguistic purism combined with dominant TESOL knowledge claims have made it difficult to develop locally appropriate methodologies. She outlines the innovative work of some teachers who build up plurilingual pedagogies in content classrooms despite these difficulties, and on this basis proposes suggestions for future work.

This paper proposes to overcome the traditional essentialist and dichotomous ways of conceptualising language and language pedagogies, i.e. to go beyond linguistic purist perspectives. Analysing bilingual teaching practices in a science lesson, the paper proposes that practical bilingual pedagogies can be developed to help students in bilingual education programmes to access dominant linguistic resources and discourses by capitalising on their indigenous linguistic and cultural resources.

Focuses on episodes from English classes in four Hong Kong high schools located in different socioeconomic areas. Drawing on the work of Pierre Bourdieu, argues that different pedagogical approaches may be compatible or incompatible with or may challenge the students. (Author/VWL)

In this paper I provide a review of the historical development of different research paradigms and approaches adopted in studies on classroom codeswitching. I also discuss the difficulties and problems faced by this field of studies and share some of my own critical reflections on how this field might move forward in the future, speaking from the position of a researcher who has been engaged in this area of studies for close to three decades. [ABSTRACT FROM AUTHOR]