2020-2021学年牛津上海版八年级下学期英语：语法专项讲解及专项练习（有答案）.docVIP

2020-2021学年牛津上海版八年级第二学期英语专项讲解及训练 I. 情态动词（有词义, 与动词原形一起组成谓语, 无人称与数的变化） can, may, must, need, should, shall, will, could, would, ought to Fish can swim. Can I help you? May I leave early? No, you may not. May I smoke here? No, you mustn’t. Must I finish it today? No, you needn’t. You should pay more attention about your health. Shall I book the tickets for you? Can/Could/Will/Would you help Linda with her physics this weekend? You oughtn’t to go there alone. 注意: should=ought to都是情态动词 can=be able to must=have to mustn’t=be not allowed to needn’t=not have to 但be able to, have to, 有时态、人称与数的变化, 中考真题: A: Must I get up early tomorrow, Dad? B: No, you ______. Tomorrow is Sunday. A. can’t B. mustn’t C. needn’t D. couldn’t A: ______ I have some chocolates now? B: No, you ______. It’s time for bed. You can have some tomorrow. A. May…mustn’t B. Must…needn’t C. Must…mustn’t D. May…needn’t After a long walk, the old man ______ be tired now. A. can B. must C. has to D. need 4. Even the top students in our class can’t work out this problem, so it ______ be very difficult. A. may B. must C. can D. need 5. Computers ______ process difficult problems very, very quickly. A. must B. need C. should D. can 6. Cars, buses and bikes ______ stop when the traffic lights change to red. A. can B. may C. must D. need 7. Susan’s parents have bought a large house with a swimming pool. It ______ be very expensive. A. must B. can C. mustn’t D. can’t 8. We ______ keep the new traffic law and learn how to protect ourselves. A. may B. should C. can D. need 9.-- ______ I fill in the check-in form right now, sir? -- No, you needn’t. You can complete it this afternoon. A. May B. Can C. Would D. Must 答案:CABBD CABD II. Fill in the blanks with the given words in their proper forms(用所给单词的适当形式填空,每空格限填一词) : The old people and children _________ (should take) good care of. The letter __________ (must post) at once. Now many kinds of wo