(完整版)小升初情态动词专项

1、六年级英语专项练习：情态动词一、情态动词的定义：情态动词有词义，但它不能单独作谓语，它必须和其他动词一起构成谓语 情态动词没有人称和数的变化；它的后面必须跟动词原形。二、情态动词的种类：情态动词有 can （could）, may, must, have to, shall （should）, will （would）, need等，这些是小学阶段需掌握的情态动词。三、情态动词的用法：一、can, （could 过去式）1）表示能力（体力、知识、技能）。Can you lift this heavy box?（体力）Mary can speak three Ianguages.（知识）Can

2、you skate?（技能）2）表示请求和允许。Can I go now?Could Ca n you help me? - Yes, of course.Certa ini y. Sure.Could Can you tell me the way to the Zoo?3）表示推测（惊讶、怀疑、不相信的态度），用于疑问句、否定句和感叹句中Can this be true?This can be done by him.How can this be true?二、may1）表示请求和允许。否定回答时可用can或mustn，表示不可以，禁止” -May I smoke in this roo

3、m?-No, you mustn t.-May I take this book out of the room?Yes, you can. （No, you can / mustn t）用May I. ?征徇对方许可时比较正式和客气， 而用Can I. ?在口语中更常见2 ）表示推测、可能性（不用于疑问句）。1 . He may be very busy now.2. Your mother may not know the truth.3）用于祈使句，表示祝愿。May you succeed!三、must, have to1） must表示必须、必要，带有命令强制口气；而have to表示

4、不得不，很勉强, 强调客观需要。You must come in time.We must help each other.My sister is ill; my mother has to look after her.I had to work when I was your age.注意：must的否定形式mustn表示禁止，意思是 不能，不许” 在回答由mu st引起的疑问句时，如果是否定的，不能用 mustn t禁止，不准），而用nee dn tdon tiave to （不必要）。-Must we hand in our exercise books today?Yes, you

5、 must.No, you don thave to / you needn t.2） must表示推测、可能性（只用于肯定的陈述句），意思为一定是，必然”1. You reTom s good friend, so you must know what he likes best.2. Your mother must be wait ing for you now.四、shall,1）shall用于第一人称，征求对方的意见。What shall we do this evening?2）shall用于第二、三人称，表示说话人给对方的命令、警告、允诺或威胁。1. You shall fail

6、 if you don twork hard.（警告）2. He shall have the book when I finish it.（允诺）3. He shall be punished.（威胁）五、should和shouldn 表示 应该 劝告、建议。I should help her because she is in trouble.You should go to class right away.She shouldn t play computer games too much.六、will （过去式would）1）做助动词，表示一般将来时，将要。He will be ho

7、me at six.Bob will leave school n ext mon th.2）作为情态动词时表示 愿意”意愿” “会”。I will help you.I will n ever do that aga in.Will / Would you pass me the ball, please?相关练习：（一）用适当的情态动词填空。1. Must I borrow the book with my ID card? No, you.2. I use your car? Yes, you.3. I go home now? No, youstay here.4. My mother

8、 is ill. Istay at home and look after her.5. you like some tea?6. Youtake more exercise.7. you tell me how to get to the Qingyun Park?8. The clocktell us the time.9. you like to go fish ing with me?10. we play football this after noon?（二）按要求改写句子。1. I can run fast.Ifast.（ 否定句）2. You must retur n the

9、book now. （般疑问句）I the book now? No, you.3. He can play basketball well.（一般疑问句）hebasketball well?4. They must take the books out of the room.（否定句）Theythe books out of the room.5. He should get up early. （否定句）Heget up late.（三）对划线部分提问。1. We mustn t pidhe flowers in the park.2. We should pla ntmore tree

10、s.3. I would you likeomie cakesto eat?4. She could swimfive years ago.5. We should protect ani malsbecause they are our good friends6. Tom could go to the cinema 电影院）with his sister .（四）圈出正确答案。1）Lucy should her homework now.A. fini shesB. finishingC. fini shedD. finish2）My mother would back soon.A.

11、cameB. comesC. comeD. will come3) Could youme a hand.A. givi ngB. givesC. give nD. give4)Should Inow.A. startedB. starti ngC. startD. starts5)I take this one?A. CouldB. WillC. AreD. Do6)-Can you speak En glish?-No, I.A. must ntB. cantC. could ntD. may not7) You go and see a doctor because you had a

12、fev发烧).A.couldB. mightC.shouldD. would8) Jimcome toni ght, but he isnt very sure yet.A.shouldB. mightC.wouldD. shall9) The childrenplay football on the road.A.could ntB. couldC. mustD. must nt10)-Can I take this book out?-No, you.A.must notB. could notC. will notD. arent11) Ilike to go with you.A.couldB. wouldC.shouldD. will12) She is bleeding 流血).Shego to hospital quickly.A.couldB. wouldC.shouldD. will13) You wa