2023年中考英语二轮专题复习十一 情态动词

2023年中考英语二轮专题复习十一 情态动词 情态动词本身有一定的词义,但是不能独立作谓语,只能和动词原形一起构成谓语。情态动词用在行为动词前,表示说话人对这一动作或状态的看法或主观设想,如需要,可能,等等。它具有如下特点: ★情态动词没有 _ 的变化,即它不随主语人称和单复数的变化而变化。如: They can swim. 和She can swim. 中的人称和数都发生了变化,但can没有变化。 ★情态动词有词义,但意思不完整,故不可单独作谓语,必须和后面的 _ 连用,一起构成谓语。 ★情态动词的否定句一般是在can后加 _ 构成,变一般疑问句通常将can _。 一、单项选择 1.Mother had a hard time getting Helen up in the morning. She called and called, but Helen _ wake up. A.wouldn’t B.mustn’t C.needn’t D.shouldn’t 2.A: Must I wear the seat belt throughout the journey? B: No, you _. A.can’t B.mustn’t C.wouldn’t D.needn’t 3.“You _ wait in line. It’s the rule here to pay for the goods one by one.” The lady said. A.can B.need C.must D.may 4.—Is Helen on duty today? —It _ be her. It’s her turn tomorrow. A.mustn’t B.can’t C.needn’t D.won’t 5.How time flies! Zhongkao is coming, and we _ say goodbye to our teachers in 70 days. A.need B.might C.can D.have to 6.—_ it be Li Ping that broke the glass? —No. It _ be Wang Hai who did it. A.Can;must B.Might;could C.May;must D.Can;can 7.You _ cross the yellow line while you’re waiting for an underground. That’s dangerous. A.mustn’t B.must C.can’t D.can 8.—Could you help the twins with their homework after supper? —Sorry, I _. I will prepare a speech on the history of the Party tonight. A.couldn’t B.can’t C.needn’t D.shouldn’t 9.We _ worry about the coming flood too much, for the government has taken immediate action to fight against it. A.mustn’t B.needn’t C.can’t D.don’t need 10.In order to keep healthy, you _ to do enough exercise and have a good diet. A.ought B.can C.must D.should 二、改写句子 11.Hobo has to post a letter for Eddie this time. (改为否定句) Hobo _ _ to post a letter for Eddie this time. 12.He must be at work at the moment.(改为否定句) He _ _ at work at the moment. 13.You had better go to Paris for a holiday next week. (改为否定句) You had better _ _ to Paris for a holiday next week. 14.Your key should always be left at the reception desk when you go out. (改为主动语态) You _ always _ your key at the reception desk when