情态动词的用法练习题态动词 can 表示能力，意为 “能 会” 表示推测， 意为 “可能”， 常用于否定句和疑问句中 表示请求， 允许， 意为“可以” could can 的过去式，意为“能、会”， 表示过去的能力 在疑问句中表示委婉请求 may 表示请求、许可，意为“可以” 表示推测，常用于肯定句中，意为“可能、也许” might may的过去式 表示推测，常用于肯定句中，意为“ 可能、也许 ”must 表示主观看法，意为“必须、应该” 表示有把握的推测，用语肯定句 Need 表示需要、必须，主要用于否定句和疑问句中 dare 表示敢于，主要用于否定句和疑问句中 should 意为“ 应该”， 表示要求和命令 表示劝告、建议 had better 意为 “最好”，表示建议 used to 意为 “过去常常，表示过去的动作、行为1( ) 1 John_ come to see us tonight, but he isnt very sure yet.A. may B. canC. has to D. must( ) 2 They _ do well in the exam.A. can be able to B. be able toC. can able to D. are able to( ) 3 -May I take this book out?-No, you_.A. cant B. may not C. neednt D. arent( ) 4 You_ go and see a doctor at once because youre got a fever.A. can B. must C. dare D. would( ) 5 -Can you speak Japanese?-No, I_.A. mustnt B. cant C. neednt D. may not2( ) 1 -He_ be in the classroom, I think.-No, he _ be in the classroom. I saw him go home a minute ago. A. can; may not B. must; may not C. may; cant D. may; mustnt( ) 2 -Shall I get one more cake for you, Dad?-Thanks, but you_, Ive had enough.A. may not B. must not C. cant D. neednt( ) 3 Even the top students in our class cant work out this problem, so it be very difficult.A. may B. must C. can D. need( ) 4 He isnt at school. I think he _ be ill.o A. can B. shall C. must D. has to( ) 5 _ I take this one?A. May B. Will C. Are D. Do3( ) 1 The children_ play football on the road.A. cant B. can C. mustnt D. must( ) 2 You _ be late for school again next time.A. mustnt B. needntC. dont have to D. dont need to( ) 3 -Must I do my homework at once?-No, you_. A. neednt B. mustnt C. cant D. may not4( ) 1 His arm is all right. He_ go and see the doctor.A. has not to B. dont have toC. havent to D. doesnt have to( ) 2 He had to give up the plan, _ he?A. did B. didnt C. does D. doesnt( ) 3 They had to walk here, _ they?A. mustnt B. did C. didnt D. hadnt5( ) 1 He had better stay here, _ he?A. didnt B. dont C. hadnt D. isnt( ) 2 Youd better_late next time.A. not to be B. not be C. wont be D. dont be( ) 3 Youd better _ your hair _ once a month.A. had; cut B. had; cuttedC. have; cut D. have; cutted( ) 4 You_ ask that man over there. Maybe he knows the way. A. had better not to B. had not better C. had better D. had better not6( ) 1 -Shall we go and visit the History Museum next Sunday?A. Here you are B. Sorry, I cant C. Yes, please D. Let me try( ) 2 -Why dont you ask Mike to go with us?-Thanks, _.A. I will B. I wont C. lean D. I may( ) 3 -_ I take the newspaper away?-No, you mustnt. You_read it only here.A. Must; can B. May; can C. Need; must D. Must; must7( ) 1 Excuse me. _ you please pass me that cup?A. Do B. Should C. Would D. Must( ) 2 _ you like to have another try?A. Could B. Will C. Would D. Do( ) 3 -Would you like to go boating with us?-Yes, _.A. Id like B. I want C. Id like to D. I do8( ) 1 You_ worry about your son. He will get well soon.A. neednt B. cant C. mustnt D. have to( ) 2 The poor man needs our help, _ he?A. need B. neednt C. does D. doesnt( ) 3 -Must we do our homework first?-No, you_. You may have a rest first.A. mustnt B. neednt C. may not D. cant参考答案1. 1-5 A D A B B2. 1-5 C D B C A3. 1-3 C A A4. 1-3 D B C5. 1-4 C B C C6. 1-3 B A B7. 1-3 C C C8. 1-3 A D B