精选优质文档-倾情为你奉上Unit 2Healthy eatingPeriod 3Learning about language: Grammar整体设计教材分析This is the third teaching period of this unit. To test whether students have grasped the important and difficult language points they learned in the last period, the teacher should first offer them some revision exercises. Then lead in the new lesson.This teaching period mainly deals with the grammar: learn the use of ought to and review the use of can, could, may, might, will, would, shall, shoul