The present continuous tense can be problematic among L1 Thai learners due to the variation in contexts in which the tense can be used (Boonjoon, 2017; Khattiya, 2018; Kongthai, 2015). The present study aimed to examine the functional use of the English present continuous tense by L1 Thai learners under the theoretical framework of the…

This study investigated the effect of derivational suffix instruction on vocabulary knowledge. Fifty-eight high school learners were recruited to participate in the study. The learners were divided into control (n = 29) and experimental (n = 29) groups. The experimental group received a Fundamental English II course with an emphasis on…

There has been a growing interest in the rhetorical move structure of research articles (RAs). Research studies reveal that articles written by native and nonnative English speakers show some similarities and differences in their rhetorical structure and linguistic features across disciplines. This study was therefore undertaken to investigate the…

Vocabulary learning strategies are essential in vocabulary acquisition and one particularly important strategy is word part strategy. This quasi-experimental research attempted to investigate the effects of word part strategy instruction on vocabulary knowledge among primary school students in a Thai EFL context. It also sought to explore primary…

One of the reasons why EFL learners have difficulties with the English present perfect tense is that little attention has been paid to the relationship between patterns and meanings of the tense (Yoshimura et al., 2014). To fill this gap, the present study takes a corpus-driven approach to the pattern-meaning interface of the present perfect,…

Regardless of the brain's limited storage capacity, teachers must exercise caution and vigilance in the classroom to prevent overwhelming students with excessive information, as this can impede their learning ability. This study aims to compare the effectiveness of traditional PowerPoint slides and Assertion-Evidence designs in improving…

The global prevalence of English as a lingua franca (ELF) across diverse linguacultural communities within the three circles invites an in-depth analysis of its phonological and lexicogrammatical features, especially among non-native English speakers. This qualitative study investigated these features among 30 Thai students from English and…

The present study investigates whether or not Thai students' English writing skills can be improved by using an online grammar checker. First, typical syntactic errors made by undergraduate students majoring in English and English for Careers were examined. Secondly, possible reasons for syntactic errors in English writing in the light of Lado's…

Previous research in English as a Lingua Franca (ELF) has revealed that deviations in lexicogrammar are not always random, but a result of underlying communicative processes (Cogo & Dewey, 2012; Guziurová, 2020; Jafari, 2021; Ranta, 2013, 2022). Most previous studies relied upon spoken interactions, particularly in business and academic…

Morphological awareness is essential for the successful use of a language and morphological instruction may facilitate the acquisition of new words. This quasi-experimental research examines the effects of affix instruction on acquiring morphologically complex words. Two measures of receptive and productive affix knowledge were administered to 92…

This study investigated how the corpus-based teaching approach could enhance L2 acquisition of English infinitive and gerund complements among low English proficiency young Thai learners of English. The students were divided into two groups of 32. One group learned English verbal complements through the corpus approach while the other did through…

The present study adopts a corpus-driven perspective to an analysis of the 'current relevance' meaning, a central meaning of the present perfect, in general and textbook corpora. The term 'current relevance' refers to a meaning of the present perfect, in which a past action or event is shown to be connected with the present time in some ways. The…

This study investigated the learnability of multiple word knowledge aspects and the relationship between the word knowledge aspects. A total of 261 Thai high school students were measured on receptive and productive word knowledge aspects: word parts, the form-meaning link, and collocations. The current findings indicated that word parts are…

This research was aimed at investigating L1 Thai learners' English word stress production in two aspects of English words -- 1) English words with different suffixes: suffixes affecting stress shift, i.e. '-ic' (e.g. 'fantástic'), '-ity' (e.g. 'idéntity') and '-tion / -sion' (e.g. 'eléction') and suffixes demanding stress, i.e. '-oon' (e.g.…

The study investigated variable production of English past tense morphology by an L1 Thai-speaking learner of English. Due to the absence of the past tense inflectional morphology in the Thai language, production of English past tense morphemes poses a persistent problem for L1 Thai-speaking learners of English. Hypotheses have been made in…