人教七下英語專題must和have_to(易錯(cuò)考點(diǎn)回顧+闖關(guān)提分訓(xùn)練)

1、【易錯(cuò)考點(diǎn)回顧】must和have to【易錯(cuò)點(diǎn)睛】1. 表示必須此時(shí)可用于肯定句、否定句或疑問句，用于否定句時(shí)，mustn'的意思是一定不要、不能”女口： You must finish the work tonight.你必須今晚完成這項(xiàng)工作。Adverbs mustn ' t be put between the verb and the object詞不能放在動(dòng)詞和賓語 之間?！咀⒁狻繉?duì)于 must開頭的一般疑問句，若作否定回答，可以用needn',t不能用mustn'。2 女表示世測t I clean all the rooms? 這些房間我都得清掃嗎

2、？No, you needn 不t.不必。意為一定是”通常只用于肯定句，表示有把握的肯定推測。如：JanW s light is on. She must be at hom簡的房間里開著燈。她一定在家。3. must與have to的區(qū)別must側(cè)重于說話者的主觀看法，認(rèn)為 有必要或有義務(wù)去做某事Every one must keep the law.人人都要守法。have to則重于客觀需要，含有不得 不”被迫”之意The last train has gone We ' ll have to walk home.最后一班車已經(jīng)開了，我們 得走回家了。從時(shí)態(tài)方面看，must只有現(xiàn)在

3、時(shí)一種形式，而have to則有多種時(shí)態(tài)形式。女口： You will have to show your papers at the gate.在大門口你得出示證件?！镜湫湾e(cuò)題】If you know nothing about the famous program called Where are we going, dad?you be liv ing in a box!A. wouldB. canC. mustD. n eed【錯(cuò)因分析】本題的關(guān)鍵是對(duì)語境的理解，對(duì)句意的把握會(huì)直接影響能否正確判 斷空格處所缺情態(tài)動(dòng)詞的意思。其次，如果沒有掌握選項(xiàng)中四個(gè)情態(tài)動(dòng)詞的用法， 也會(huì)影響正確作答

4、。【思路點(diǎn)撥】首先要理解題干中句子的意思，然后弄清楚四個(gè)選項(xiàng)中情態(tài)動(dòng)詞的 用法，再結(jié)合句意判斷空格處要表達(dá)的是肯定推測一定是”再結(jié)合選項(xiàng)得出正 確答案?！菊_答案】正確答案為C。句意：如果你對(duì)爸爸去哪兒了這個(gè)著名的節(jié)目 一無所知，那你一定是生活在盒子里。 根據(jù)上文提示此空是表示肯定的推測， “一 定是”要用情態(tài)動(dòng)詞must,故選Co【中考鏈接】1. （2019 重慶）Youstop whe n the traffic lights交 通燈）turn red.A. can'tB. mayC. mustD. needn't【答案】 C解析：句意：交通燈變紅時(shí)你 '亭車。A.

5、 can '不能，B. may可能，C. must必須，D. need n't不必，根據(jù)句意，答案選 C。2. （2019 福建） Mum, may I go swimming now?Yes, dear, but remember that you go with your dad.A. mayB. canC. must【答案】 C解析：句意： 媽媽，我現(xiàn)在可以去游泳嗎 ?是的，親愛的，但是記住你 必須和你爸爸一起去。 may 可以； can 可能； must 必須。根據(jù)語境可知這里用 must。故選 Co3. （2019 黔西南州） Must I leave now? It

6、 s'tillsraining hard outside.No, you .You can wait till the rain stops.A. don 't have toB. couldn 't C. can 't D. shouldn 't【答案】 A解析：句意： 我必須現(xiàn)在離開嗎？外面還在下雨。 不，你不必你可以 等到雨停。don't have to不必；could n't不能；can'不能；should n't不應(yīng)該。在回 答以must開頭的一般疑問句時(shí)，肯定回答用 Yes, sb. must，否定回答用No,

7、 sb. need n't或don't have to,結(jié)合句意，答案選 A?！娟J關(guān)提分訓(xùn)練】 must 和 have to1. Can you go shopping with us this afternoon?Sorry, I can . I _'_t_ look after my little sister.A. canB. mayC. have to2. May I smoke here?No, you . This is a no-smoking room.A. needn ' tB. mustn ' tC. needD. wouldn &#

8、39;tbe my mother. Its time for her to be3. Someone is knocking at the door. It back.A. canB. may notC. must D. mustn't4. You take me to the statio.nMy brother ' s taking me.A. can' tB. mustn ' tC. shouldn ' tD. don ' t have to5. Sorry, Miss Liu. I left my workbook at home. Mu

9、st I hand it in（ 上交它 ） today? No, you . You bring it here tomorrow.A. mustn 't; shouldB. can ' t; mustC. mustn 't; may D. needn ' ctan6. Excuse me, sir, visiting hours探視時(shí)間）are over. Youleave.Pardon me對(duì)不起）,nurse. I didn' t hear 鈴be 11（A. mayB. canC. mustD. need7. The children play

10、 basketball on the road.A. can ' tB. canC. mustn' tD. must8. Yougo and see a doctor at once because you got a fe發(fā)燒）.A. canB. mustC. dareD. would9. Mum, must I finish the homework now?No, you .You can do it after supper.A. needn'tB. mustn'tC. can'tD. may not10. （2019 鹽城一模） Sorry!

11、I can't follow you. I finish my homework first.A. canB. mayC. mustD. could11. （2019 濟(jì)南三模）一Must I an swer the question in En glish? No, you .A. can'tB. mustn'tC. needn't D. shouldn't12. Yesterday it rained heavily when school was over. We stay in our classroomA. mustB. shouldC. ha

12、d toD. need13. I can ' t go with you. I stay at home munytipl arents come back.A. canB. mayC. mustD. could14. Must I finish the work today? No, you . But you finish it next Monday.第3頁/共4頁A. mustn ' t; must B. needn' t; must C. mustn ' t; could D. needn ' t; could15. you wear your

13、 sports shoes for P.E. class? Yes, we do.A. Have; to B. Do; haveC. Do; have toD. Does; have to16. May I go out now, Dad? Well, you finish your school work first.A. can B. may C. need D. must17. Why can' t Nancy come to your ptayr? Because she do her homework.A. canB. can t'C. has toD. doesn ' t have to18. （2019 河西區(qū)一模 ） Mike finish the work at once. He can finish ittomorrow.A. mustB. have toC. shouldn'tD. doesn't have to19. We shouldn't arrive late for class. We be on time.A. mustB. mayC. c