The paper first introduces heteroglossia – a development of Systemic Functional Grammar (SFG) in Hallidayan Systemic Functional Linguistics (SFL) school before suggesting possible uses of heteroglossia in present-day studies of language, with particular focus on the role of word order in sentences of Vietnamese, a typical isolating language. The change of word order is considered a means for expressing modality, as shown in several interesting examples in Vietnamese, which proves that SFG and heteroglossia as its variant is an effective approach for exploring the role of word order in Vietnamese. | VNU Journal of Foreign Studies 2020 25-35 25 HETEROGLOSSIA ANOTHER SFG-BASED APPROACH TO TREATMENT OF WORD ORDER AS A MEANS FOR EXPRESSING MODALITY IN VIETNAMESE Nguyen Van Hiep Vietnam Institute of Linguistics 9 Kim Ma Thuong Street Ba Dinh Hanoi Received 13 February 2020 Revised 26 April 2020 Accepted 18 July 2020 Abstract The paper first introduces heteroglossia a development of Systemic Functional Grammar SFG in Hallidayan Systemic Functional Linguistics SFL school before suggesting possible uses of heteroglossia in present-day studies of language with particular focus on the role of word order in sentences of Vietnamese a typical isolating language. The change of word order is considered a means for expressing modality as shown in several interesting examples in Vietnamese which proves that SFG and heteroglossia as its variant is an effective approach for exploring the role of word order in Vietnamese. Keywords isolating language word order modality Systemic Functional Grammar SFG heteroglosia grammaticalization. Among the achievements of modern meaning as one of the three aspects of the grammar Systemic Functional Grammar sentence in SFG framework. This approach SFG is a good grammar model. Since was proposed by White 2003 2006 in two Halliday 1985 built it up SFG has evolved papers which are Beyond modality and with various variants such as the evaluation hedging A dialogic view of the language theory and the heteroglossia approach. In this of intersubjective stance 2003 and article we first introduce heteroglossia as a Dialogistic positioning and interpersonal style - a framework for stylistic comparison development of SFG. Then we will discuss the co-author with Motoki 2006 . White claims role of word order as one of the most important to have taken inspiration from the views of grammatical means for making meaning in two Russian poetics researchers Bakhtin and the Vietnamese language. Especially we will Voloshinov on the dialogue of all
