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中考英語情態動詞易錯題目及解析

2023年08月26日

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  1. -Must I stay at home, Mum?
  --No, you ______.
  A. neednt B. mustnt C. dont D. may not
  2. -Who is the man over there? Is it Mr Li?
  --No, it ______ be him. Mr Li has gone to America.
  A. mustnt B. may not C. cant D. neednt
  3. To make our city more beautiful, rubbish ______ into the river.
  A. neednt be thrown B. mustnt be thrown
  C. cant throw D. mustnt throw
  4. -Must we hand in the papers now?
  --No, you ______.
  A. cant B. may not C. mustnt D. neednt
  5. You_____ to the meeting this afternoon if you have something important to do.
  A. neednt to come B. dont need come
  C. dont need coming D. neednt come
  6. Youd better _____late again.
  A. dont B. not be C. not being D. wont be
  7. You _______ smoke in the hospital.
  A. neednt B. oughtnt to C. ought to not D. may not
  答案與解析:
  1. A.用must來提問,肯定回答用Yes, you must;否定回答用No, you neednt 或No , you dont have to, 故選A.
  2. C. 完全否定的猜測用canmustnt表 禁止、不許,不用在否定猜測中,排除; may not 表可能不是,用在不確定猜測中,但根據Mr Li has gone to America.可知 may not不符合句意,排除;neednt表不需要,不符合句意,排除。
  3. B.rubbish與throw之間存在被動關係,用被動語態,排除C、D;其次,往河裡扔垃圾這個行為是禁止、不許的,而不是不需要,排除A。
  4. D. 用must來提問,肯定回答用Yes, you must;否定回答用No, you neednt 或No, you dont have to, 故選D。
  5. D.need和dare既可以當情態動詞,又可以當實義動詞。當情態動詞時,need/dare 後接動詞原形,無人稱和數的變化,否定句直接在後面加not;當實義動詞時,need/dare 後接不定式,有人稱和數的變化,且否定要用助動詞。A項的neednt,not家在need後面,所以need是情態動詞,後應接動詞原形,排除;B項的need前有助動詞dont, need是實義動詞,後應接不定式,排除;C項need前也有助動詞,need為實義動詞,後應接不定式,排除C。
  6. B.had better最好做某事,後接動詞原形,其否定形式直接在better後面加not, had better not最好別做某事,且not 後接動詞原形。
  7. B.ought to ,應該做某事,其否定形式為 ought not to,縮寫為oughtnt to,排除C;對在醫院吸煙這個態度應該是不應該,而不是不需要或可不,排除A、D。

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