
外研版英语初二情态动词.doc
3页外研版英语初二情态动词情态动词(1) 表可能性情态动词:may、might英语中除了情态动词表可能性,还可以用adj或adv: probably, possiblemay (可能): 暗含不确定的意思.might:表可能,但它的含义比 may 更不确定He may be at home .He might come soon .It will probably be hot and sunny2) Must表示主观义务和需要Mustn’t表示禁止 Need也表示需要,但不一定是一种义务,语气没那么强烈1)need用作实义动词need to do sth 需要做某事肯定句:He needs to go shopping 他需要去购物.否定句:He doesn’t need to go shopping (实意动词否定都借助助动词do/does)疑问句:Does he need to go shopping? Yes, he does. No, he doesn't.(2)need用作情态动词need do sth 需要做某事肯定句:He need go shopping .他需要去购物。
否定句:He needn’t go shopping (情态动词否定都直接在后面加not)疑问句:Need he go shopping? Yes, he must No he needn’t(3)must“必须……,得……,要……”;肯定:You must go to school on time.你必须按时到校否定:You needn't go to school on time.你不必按时到校疑问:Must I go to school on time? Yes, you must No, you needn't(4) have to 与must的区别(5) must侧重于说话者的主观看法,认为有必要或有义务have to侧重于客观需要,含有“不得不,被迫”之意e.g. All passengers must wear seat belts. 所有乘客都要系安全带. My bike was broken yesterday, so I had to walk to school. 昨天我的自行车坏了,所以我只能走路去学校.(3) 情态动词表示推测的用法:表示肯定推测时,语气由强到弱:Must be > Can be > Could be 〉 May be > Might be注意在推测的过程中,如果句子中已经有动词的话,省略be。
所有的否定推测均用can’t be情态动词练习题 ( ) 1 John___ come to see us tonight, but he isn’t very sure yet. A. may B. can C. has to D. must ( ) 2. They ___ do well in the exam can be able to B be able to C can able to D. are able to ( ) 3. —May I take this book out? -No, you___ can't B may not C needn’t D aren't ( ) 4 You___ go and see a doctor at once because you’re got a fever A. can B. must C dare D would ( ) 5. —Can you speak Japanese? —No, I____ A. mustn't B. can't C. needn’t D。
may not ( ) 6 -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; can’t D. may; mustn't ( ) 7 Even the top students in our class can’t work out this problem, so it___ be very difficult may B. must C. can D. need ( ) 8 He isn't at school I think he ___ be ill. A. can B. will C. must D has to ( ) 9 ___ I take this one? A. May B Will C Are D. Do ( ) 10. The children___ play football on the road. A。
can't B. can C mustn't D. must ( ) 11. You ___ be late for school again next time A. mustn’t B. needn’t C. don't have to D don't need to ( ) 12. —Must I do my homework at once? -No, you___ A. needn’t B. mustn't C. can't D. may not ( ) 13. His arm is all right He___ go and see the doctor has not to B. don’t have to C haven't to D. doesn’t have to ( ) 14. He had to give up the plan, ___ he? A did B didn’t C does D. doesn’t ( )15 —Must I return the hook tomorrow morning? —No, you _____ .You can keep it longer. A。
mustn’t B. can’t C needn’t D couldn’t ( )16—How long may I keep the book? —You ________ keep it for two weeks. A may B. must C. will ( )17. —Susan, would you like to go hiking with us this afternoon? — I’d love to, but I study for a test A. may B have to C. can ( )18 May I go out now, Dad? —- No You __ let your mother know first. A can B. may C need D must ( )19. - Can I skate on the lake now? - No, you ______ It’s dangerous. A. can’t B mustn’t C needn’t D. won’t ( )20. —-Peter doesn’t mind lending you his camera。
—He __________ I've already borrowed one A. needn’t B. can’t C mustn’t D shouldn’t ( )21. — Good morning. I’ve got an appointment with Ms King in her office. —Morning You _______be Mr. Jones This way, please A. will B. must C can D, might ( )22. ————Dad, the bread is not enough. I am still hungry ____I have something more? ————But there’s nothing in the fridge now.A. Must B Need C Will D. Can ( )23. —Where’s my music disc? I can't see it! —You'd better _____the disc carefully in your bedroom. A. look up B. look through C。
look for ( )24. -—— Do we have to go to school this afternoon? -—- Yes, you ________ must B can C need ( )25. — Congratulations! You’ve got the first prize in the English Contest. —_____ it be true? It’s unbelievable! A May B. Should C. Must D. Can ( )26. -——May we go home now ? —-- No, you____ You____ to go home until 5 o’clock mustn’t; are allowed B don’t have to; are supposedC. needn’t; aren’t allowed D can’t; aren't supposed M101在美国的的天气怎么样?What's the weather _________ in America?2.多雨的天气 _________(rain) weather3。
刮风的天气 _________ (wind)weather4你在开玩笑么? Are you _________(joke)?5.零下2度 minus 2 _________6.在公园里滑冰 go _________(skate) in the park7拍些秋树的照片 take photos_________the autumn trees8.一把雨伞 _________ umbrella9最好夏天去___。
