However, although there has been an increasing amount written about the role of Communicative Activities in language classrooms, there remains a lack of detailed description of its application to large classes, which is often the reality of foreign language teaching in China.

In the view of the current status of English teaching in bigger classes,this paper raises the measures like "multi-teaching methods" and "large class assignment",elaborates their application,and predicts their possible effects,with the intention of accomplishing teaching plan,promoting teaching effects and relieving teaching burden.

This paper tries to make an exposition of the theory of Task-based Learning(TBL) by defining "task" and inquiring into the TBL forms;and makes reflections on it by displaying the practice in large class teaching of college English,summarizing its features and problems arising from the practice.

New methods of improving large-class English teaching are introduced on the basis of the analysis of the practice of teaching large classes.