八年级下册英语专题：情态动词练习 一、选用 can, may, must, can’t, mustn’t, needn’t, should, could 填空。 1. There is air around us, though we ________ see it. 2. Your mother is getting better and better. You _______ worry about her. 3. You _______ play football in the busy street. 4. “_______ it be true ?” “Yes. It _______ be true indeed.” 5. Tom _______ come to the party tonight, but I’m not sure. 6. _______ you please fetch me some water for me? 7. Young trees ________ be planted in spring. 8. “Must we hand in our exercise books today?” “Yes, you ______.” “No, you ________.” 9. “May I take this magazine out of the reading-room?” “No, you _______.” 10. Please speak a little louder so that I _______ hear you. 二、选择填空。 1. — I think Miss Gao must be in the library. She said she would go there. — No. She ______ be there, I have just been there. A .can’t B. mustn’t C. needn’t D. wouldn’t 2. — _______ I borrow your MP3? — Sure. Here you are. A. May B. Should C. Must D. Would 3. — May I go to the cinema, mum? — Certainly, but you ________ be back by 11 o’clock. A. can B. may C. must D. need 4. You ______ get there by bus. A. don’t need B. needn’t to C. don’t need to D. need don’t to 5. You _______ worry about me. It’s nothing serious. A. can’t B. mustn’t C. needn’t D. won’t 6. — Excuse me. Is this the right way to the Summer Please? —Sorry, I’m not sure. But it _______ be. A. might B. mustn’t C. can’t D. must 7. The man in the office _______ be Mr. Black, because he went home just now. A. mustn’t B. may not C. can’t D. needn’t 8. — Can you go surfing with us this afternoon? — I’d like to, but I _______ look after my sister at home , because my mother is ill. A. need B. must C. have to D. should 9. — May I take this book out of the reading room? —______. Please read it here. A. Certainly B. No, you needn’t C. No, you mustn’t D. No, you may not 10. — Could I use your dictionary? — Of course, you ______. A. can B. should C. could D. must 【历年真题】 1 更多资料加ｖ：ｌａｏｓｈｉ７５７ 1. —Whose pencil box is this? —It _____ be Tom’s. It has his name on it. A. must B. may C. might D. can’t 2. — you sing the song Where Are You Going, Daddy — Yes. It’s easy. A. Can B. May C. Must 3. All passengers _______ go through safety check before they take a plane. A. can B. may C. must D. ought 参考答案 一、选用 can, may, must, can’t, mustn’t, needn’t, should, could 填空。 1. can’t 2. needn’t 3. mustn’t 4. Can; must 5. may 6. Could 7. should 8. must; needn’t 9. mustn’t 10. can 二、选择填空。 1. A。根据下文“我刚去过那儿”可知，应为“不可能”， can’t 表示推测。 2. A。在此处表示请求，意为“做……可以吗”。 3. C。由题意可知， 此处并非表推测的用法， 而是妈妈对孩子提出的要求， 故选 C, 意为“必须”。 4. C。此处 need 为实义动词， 故应加上 to 才正确。而选项 B，needn’t 为情态动词，应去掉 to，故选 C。 5. C。由题干 It’s nothing serious 可推断，第一句意为“你不必为我担心”， 故选 C。 本题易错选 B， mustn’t 意为“禁止”，故不正确。 6. A。考查情态动词 might 表推测的用法。 “I’m not sure” 说明说话者的语气并不肯定， 所以要用 might。 7. C。由下文 he went home just now 办公室里那个人不可能是 Mr. Black。mustn’t 意为“千万别”，may not 意为“可能不”， needn’t 意为“不必”。 can’t 意为“不可能” 。 8. C。由题干 my mother is ill 为客观要求可知， 选 C。 9. C。May I…?的否定答语为 No, you mustn’t.；Must I…?否定答语为 No, you needn’t/don’t have to.; Can I …?的否定答语为 No, you can’t. 在口语交际中，要体会句子中的情感差别。 10. A。could 在疑问句中，表示委婉的语气，此时 could 没有过去式的意思，回答时一般用 can。 【历年真题】 1. A。句意：—这是谁的铅笔盒？—可能是 Tom 的，上面有他的名字。由句意可知：“有 Tom 的名字在 上面”，所以可知前面表示肯定，所以选 A。 2. A。句意：—你会唱《爸爸去哪》这首歌吗？—会啊，太简单了。must 意为“一定”，表示绝对的程 度；can 表示某种能力，能干什么，不能干什么；may 表示请求和允许，意为“可以”。Can you…表示“你 可以……吗”？故答案选 A。 3.C。句意：所有乘客在乘飞机前必须经过安检。本题考查情态动词。can 能，会；may 可以；must 必须； ought 后面需加 to，表示应该，根据句意可知答案为 C 项。 2 更多资料加ｖ：ｌａｏｓｈｉ７５７