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Revision: Module 5 Rules and suggestions You mustn’t park your car. shouldn’t … can’t … … You can park your car. may … must … … 1 2 3 4 5 6 情態(tài)動詞本身有一定的含義,但不能單獨作謂語,后跟行為動詞原形一起構(gòu)成謂語,表示說話人的語態(tài)和情態(tài)。情態(tài)動詞沒有人和數(shù)的變化。 can, could, may, might, shall, should, must, need, dare, ought to, will, would., used to. 點撥: 此句中的 could 表示委婉的語氣,而不是表示過去時態(tài)。但回答時應用 can,表示能夠干某事。 Could you cross the street here? Of course you____ A. could B. can C. be able to D. will B 2. Some people think trees __ on Tree Planting Day only. A. should be planted B. should plant C. should be planting D. be planted 點撥: 表“義務”和“應該”時,用 should。情態(tài)動詞的被動語態(tài)為:情態(tài)動詞 + be +done。 A Must I do the work now?