A Brief Analysis of the functions of Theme Sentences in English Writing

This paper gave a brief account of the important functions of theme sentences in English writing.It discussed the three features of theme sentences,pointed out three problems we should pay attention to when drawing up theme sentences and six demands on the wording of theme sentences.Then it contrasted the characteristics of three positions of theme sentences in paragraphs with examples and finally analysed the two problems correlated with theme sentences we should handle well\;