unit1-grammer肖云(完整版)
【正文】 may 常用來表示： A. _________________________ eg. May I e in ? You may go now. B. ________________________ 表示請求、允許 。 I’d go there with you. 我要和你一塊到那兒去。 It’s strange that he should e so late. I’ m surprised that he should say so. Why should you think in that way? 5. should 表示意外或驚訝 With an early start he should be here by noon. What do you mean, there are only ten tickets? There should be twelve. 6. should 用 來表示一種估計的情況 “按理應(yīng)當，理當” must 的主要用法： 1. _________________ eg: We must all die. 人總要死的。 must著重說明主觀看法， have to 強調(diào)客觀需要。 The road can be blocked. 這條路可能會是不通的。 had better not C. Must。 3. ____________________ 非要，偏要 1). May I smoke here? If you ____, choose a seat in the smoking section. B. could C. may D. must 2). John, look at the time. ____ you play the piano at such a late hour? A. Must B. Can C. May D. Need You must be tired after such a long walk. He must be sleeping now. There is nobody here. They must have all gone home. , 作“準是” , “一定” , 一般用于肯定句中。 shall 用于構(gòu)成將來時是助動詞。 用于表“ 意志 /決心 /請求 ”是情態(tài)動詞。 1. can could 2. may might 3. will would 4. shall should 5. must have to 常用的情態(tài)動詞： 1) can的主要用法是： A. ___________： eg. The girl can dance very well. B. _____________： eg. Accidents can happen on such rainy days? C. ________________:
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