2022年初中英语情态动词专项练习3

1、精选学习资料 - - - 欢迎下载学习必备欢迎下载情态动词情态动词为一种本身有肯定的词义,但要与动词原形及其被动语态一起使用,给谓语动词增加情态颜色,表示说话人对有关行为或事物的态度和看法,认为其可能.应当或必要等；情态动词后面加动词原形；情态动词有四类：只做情态动词： must、cancould、maymight可做情态动词又可做实义动词：need,will具有情态动词特点：havehad、has to、used to, ought to情态动词表推测：一肯一否三不定（must 一肯, can not一否, may, might ,could ,三不定；）注： mustn't代表剧烈

2、禁止 must 表示主观, have to表示客观；常用的有： canmaycouldmusthaveuse.情态动词无人称和数的变化, 情态动词后面跟的动词须用原形,否定式构成为在情态动词后面加"not"；个别情态动词有现在式和过去式两种形式,过去式用来表达更加客气,委婉的语气,时态性不强,可用于过去,现在或将来；情态动词属非及物动词,故没有被动语态；情态动词表估计的用法小结（一）情态动词表估计的三种句式1在确定句中一般用must （肯定）, can、could （可能）, might /may （或许,或许）；e.g:1he must/can/may、might kno

3、w the answer to this question.他肯定 / 可能/ 或许知道这个问题的答案；2it is cold in the room. they must have turned off the heating.屋里很冷,他们确定把暖气关了；2否定句中用 cant / couldnt （不行能）, may not/might not（可能不）；e.g:1it cant/couldnt be the headmaster. he has gone to america.这不行能为校长,他去美国了；2he may not/might not know the scientist.

4、 他或许不熟悉那位科学家； 3疑问句中用 can/could（能.）； e.g:1could he have finished the task.精品学习资料精选学习资料 - - - 欢迎下载学习必备欢迎下载他可能把任务完成了吗？注：以上三种句式中情态动词的语气按程度都为依次递减的；might、could并非 may、can 的过去式,而表示语气较为委婉或可能性较小；（二）情态动词表估计的三种时态1对将来情形的估计,用“情态动词+动词原形 ”；e.g:1she must / may / might / could arrive before 5.5:00 前她肯定 / 可能/ 或许到；2对现在

5、或一般情形的估计,用“情态动词+ be ”,“情态动词+be doing ”或“情态动词+动词原形”；e.g:1he must / may / might / could be listening to the radio now.他肯定 / 可能/ 或许正在听收音机；2 he cant couldnt / may might not be at home at this time.这个时候他不行能 / 可能不在家；3对过去情形的估计,用“情态动词+ have +过去分词”；e.g:1it must / may / might / could have rained last night .t

6、he ground is wet.地湿了,昨晚确定 / 可能/ 或许下雨了；2 the door was locked. he can could not / may might not have been at home .门锁着,他不行能 / 可能不在家；注：情态动词 should /ought to表估计时,意为“想必会,理应”但与“have + 过去分词”连用时,就又可构成虚拟语气意为“本应当做某事却没做”；例如：4 it s seven o clock. jack should/ought to be here at any moment.现在七点钟了,杰克理应随时到达；（估计）（

7、5） tom should not /ought not to have told me your secret、but he meant no harm.（虚拟）汤姆本不该告知我你的隐秘,可为他并无恶意；can和 could表示估计的用法对现在或将来的估计,两者均可用,但can 通常只用于否定句或疑问句中,一般不用于确定句,而could 就可用于确定句.否定句和疑问句；对过去的估计,应在can、could之后接动词的完成式,且此时 can 仍只用于否定句或疑问句,不用于确定句；而could就可用于各种句型；如：精品学习资料精选学习资料 - - - 欢迎下载学习必备欢迎下载can could

8、this be true.这能为真的吗where can could he have gone.他能到哪里去了呢she cant couldnt have left so soon.她不行能走得这么早；注： could 后接动词的完成式,除表示对过去的估计外,仍可表示过去没有实现的可能性（即某事原来可以发生,却没发生）,或委婉地批评某人过去应当做某事而没有去做（此时不用can）；如： you could have started a little earlier.你本可早点动身的；you neednt have cooked it. we could have eaten it raw.你其实

9、可以不煮熟（它）,我们（原来）可以生吃；can和 could表示答应的用法表示现在的答应时,如为恳求别人答应自己做某事,两者均可用,但用could语气更委婉；如为自己答应别人做某事,一般只用can ,而不用 could ；如：can could i come in.我可以进来吗“could can i use your pen.” “yes、of course you can.” “我可以借用你的钢笔吗.”“当然可以；”（不能说yes、you could.表示过去的答应时,如表示过去一般性答应（即表示某人随时都可以做某事）,用could ；如表示在过去某一特定情形下答应进行某一特定的活动,就不

10、用could ；如：when i lived at home、i could watch tv whenever i wanted to.我住在家里时,想什么时候看电影就可以什么时候看；（一般性答应）i was allowed to see the film yesterday evening.昨天晚上答应我去看了电影；（特定的答应,不能用 couldcan和 could表示才能的用法can 表示现在的才能, could表示过去的才能, 要表示将来具备的才能通常be able to的将来时态；其中要留意的为, could表示过去的才能, 通常只用于表示过去一般性才能,而不表示过去详细某次特定情

11、形下能够做某事的才能；如：他学习很努力,所以考试能及格；误： he studied hard and could pass the exam.正： he studied hard and was able to pass the exam.注：如在否定句中没有以上限制,即couldn t可表示过去特定情形下的才能,如可说he studied hard but still couldnt pass the exam.口诀：情态动词两特点精品学习资料精选学习资料 - - - 欢迎下载学习必备欢迎下载动词原形接后面, 说话语气较委婉； can " 才能"may" 许可&

12、quot; ,must" 责任" 或" 义务" ；否定回答 neednt 换, " 需要"need、 dare"敢" ；should" 应当" , would" 愿" ,have to"被迫" 表客观；情态动词专项练习题1. - where is mary.- she in the library.a. should beb. must bec. can bed. must have been2. his room is dark. he must to

13、bed.a. gob. be goingc. have goned. have been gone3. “ will your father stay home tonight.“ i m”not sure、 he to work.”a. must gob. can goc. may be goned. may be going4. “ where is tom.” “ he isn t here i think he have gone home.”a. mayb. mustc. mightd. a or b or c5. “ i think helen is at home.”“ no、

14、she be at home、 for she phoned me from the airport just five minutes ago.”a. mustn tb. needntc. can td. darent6. hes late. what have happened to him.a. canb. mayc. shouldd、 must7. “ he be watching tv now.ye”s、 he be watching tv now.”no、 he be watching tv now.”a. must; can; mustnb. ctan; must; canc.t

15、must; must; candt . can; can; mustnt精品学习资料精选学习资料 - - - 欢迎下载8. “ . he have left yesterday.yes、 ”he yesterday.n”o、 he yesterday.”精品学习资料精选学习资料 - - - 欢迎下载a. must; must have left; can t have ble.ftcan; can have left; can t have leftc. can; must h ave left; can t have leftd. may; must have left; shouldn t

16、 have left9. you must be a writer、 you.a. mustn tb. arec. mustd. arent10. you must have seen her yesterday、 you.a. mustn tb. haventc. didn td. don t11. you must have seen her、 you.a. haven tb. didnt c. don td. a or b12. there was plenty of time. she worried or hurried.a. mustn t haveb. shouldn t hav

17、e c. must bed. needn t have精品学习资料精选学习资料 - - - 欢迎下载学习必备欢迎下载13. i got up early、 but i so because i had no work to do that morning.a. mustn t have doneb. didn t need to doc. needn t have doned. can t have done14. i up early this morning. so i stayed in bed till 9 a. m.a. needn t have gotb. didn t need

18、to getc. shouldn t have gotd. can t have got15. the flower is dead. i it more water.a. will giveb. would have givenc. must gived. should have given16. he have come here yesterday、 but he didn t.a. couldb. shouldc. ought tod. a or b or c17. “ must he do it.”“no、 he .”a. mustn tb. needntc. doesn t hav

19、e tod. b or c18. “ need you go now.”“ yes、 i .”“ no、 i .”a. need; needn tb. must; needntc. may; mustn td. can; neednt19. “ may i borrow your bike.“”no、 you .”a. mustn tb. may notc. had better notd. cant20. “ can i do it.“”no、 you .” or“ no、 please .”a. can t; doesn tb. can t; donct. can t; can t d.

20、can t; you dont21. i missed the last bus、 so i go home on foot.a. mustb. have toc. mayd. had to22. we hurry if we want to arrive in time.a. mustb. needc. mayd. have to23. he ought to have won the first prize、 he.a. oughtn tb. shouldntc. mustn td. oughtn t to24. he get up early when he lived in the c

21、ountryside.a. wouldb. used toc. mustn td. cant25. my brother be very naughty、 and my sister like reading.a. used to; wouldb. would; used toc. used to; used tod. would; would26. you please pass on a message to him.a. dob. shallc. mayd. will27. we set off now.a. shallb. willc. wouldd. ought28. “ he open the win