Revision: Module 5 Rules and suggestionsYou mustn’t park your car. shouldn’t … can’t … …You can park your car. may … must … … 123456情态动词本身有一定的含义，但不能单独作谓语，后跟行为动词原形一起构成谓语，表示说话人的语态和情态。情态动词没有人和数的变化。can, could, may, might, shall, should, must, need, dare, ought to, will, would., used to.点拨： 此句中的 could 表示委婉的语气，而不是表示过去时态。但回答时应用 can ，表示能够干某事。1.--- Could you cross the street here? --- Of course you____ A. could B. can C. be able to D. willB2. Some people think trees __ on Tree Planting Day only. A. should be planted B. should plant C. should be planting D. be planted 点拨：表“义务”和“应该”时，用 should 。情态动词的被动语态为：情态动词 + be +done 。A3.--- Must I do the work now? --- No, you ____ . You may do it later. A. can’t B. mustn’t C. needn’t D. shouldn’t c点拨：用 must 引导的一般疑问句，其回答形式：肯定回答用 must ， 否定回答用 needn’t 。4.You _______ get there by bus. A. don’t need B. needn’t to C. don’t need to D. need don’t to .点拨： need 既可以用作情态动词，又可以用作行为动词，短语有 need to do sth 和 need doing sth = need to be done 。c5. (08 河南 )---We won the English speaking contest. --- Congratulations! You ___ be very proud of it. A. can B. need C. would D. must6. She ___ know the answer, but I’m not sure.A. need B. may be C. may D. must7. That man ___ be our English teacher. Because he has gone to Beijing. A. mustn’t B. shouldn’t C. needn’t D. can’t8.You ___ swim in this part of the lake. It’s dangerous. A. mustn’t B. needn’t C. may not D. won’t 点拨：情态动词 must ,may, might, can, could 等都能表示“推测”。它们的推测程度由强到弱的顺序是： must, can, could, may, might. ...
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