tailieunhanh - Teaching academic ESL writing part 27

Tham khảo tài liệu 'teaching academic esl writing part 27', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 248 CHAPTER 10 ance and mobilizing support for strong social control. Because they need to capture the public interest the mass media often sensationalize crime and deviance. Thompson Hickey 2002 p. 183 In this excerpt the sentence-initial position of the because clause connects the information in the preceding sentence to that in the main clause . public opinion public interest the mass media they and vast power capture . Specifically adverbial clauses at the beginning of sentences play the role of connectives and transitions between ideas and information in keeping with the-old-information-first-and-the-new-information last pattern see chap. 11 . Some researchers have found that the majority of all initial clauses consist of conditionals that have the function of organizing discourse and establishing and maintaining topics Ford Thompson 1986 . On the other hand corpus analyses of various genres have demonstrated that conditional clauses are less common in academic writing than in conversation or fiction Biber et al. 1999 Leech et al. 2001 . The ability of the sentence-final adverb clause to expand the information in the main clause can be further noted in the following text where the information in the clause provides an example for the point made in the main clause The annihilation of a minority may be unintentional as when Puritans brought deadly diseases that Native Americans had no immunity to. Thompson Hickey 2002 p. 237 In addition to the sentence-initial and sentence-final positions adverb clauses can also occur in the middles of sentences. However these types of constructions require a break in the flow of information in a sentence resulting in syntactically complex constructions that most if not all L2 writers probably would not miss a great deal. Tenses in Adverb Clauses of Time and Condition In adverb clauses of time and condition only the present and past tense can be used When medical trials are completed patients records will be kept .