1、Modal Verbs 1.I can/am able to swim.2.I could/was able to climb a tree when I was a child.3.I will be able to swim next week.4.The fire spread through the hotel very quickly but everyone was able to get out.1.can 表示现在的能力表示现在的能力2.could表示过去的能力表示过去的能力3.be able to 表能力，可用于多种时态表能力，可用于多种时态4.be able to 强调成功
2、地做了某事强调成功地做了某事情态动词表能力情态动词表能力shall1.，征求对方意见。e.g.Shall we begin our class?Shall he go now?2.用于提出命令、允诺，或用于法律、规定e.g.You shall get my book on Sunday.You shall leave the house at once.The sign reads:No person shall smoke here!用于第一、三人称will would1.用于向第二人称，征求对方意见。e.g.Would you please open the door?2.表示个人主观意愿
3、。e.g.I will help you anytime.3.used to do would表示“过去常常”；“过去常常，强调现在不了”must 表“必须”dont have to neednt do dont need to2.must还可表示“偏偏、偏要”e.g.Must you make so much noise?1.不必须mustnt 禁止1.When he was there,he _ go to that coffee shop at the corner every day.A.would B.should C.had better D.might2.Whats the na
4、me of the book?Khulaifi._ I spell it for you?A.Shall B.Would C.Can D.Might1.You _ buy a gift,but you can if you want to.A.must B.mustnt C.have to D.dont have to2.When I was young,I was told that I _ play with fire.A.wouldnt B.neednt C.mustnt D.darent3.-May I smoke here?-If you _,choose a seat in the
5、 smoking area.A.should B.could C.may D.must情态动词表推测情态动词表推测可能性的强弱层次must should/ought to can/could may/might高考真题演练must表示推测1.可能性最强，只能用于肯定句e.g.That must be my pen.2.must-很可能 cant-不可能e.g.That cant be my pen.should/ought to表示推测1.根据经验的推测，“应当、应该”e.g.You photos should be ready by 12:00.2.表示“竟然”，带有感情色彩。e.g.It
6、is strange that you should like him.can/could 表示推测1.常用于否定句或疑问句。e.g.You cant be hungry already you had lunch only two hours ago!2.can用于肯定句中表示理论上的可能性，并不牵涉是否真的会发生e.g.You can hurt yourself if you play in the street.may/might表示推测1.can not 不可能 may not 可能不 2.may well “极有可能”e.g.Liza may well not want to go
7、on the trip-she hates traveling.3.may/might as well “不妨”e.g.You may as well stay for dinner.1.That be Anns husband,for I am sure that he doesnt wear glasses.A.cant B.may not C.mustnt D.neednt 2.-Good morning.I got an appointment with Miss Smith yesterday.-Ah,you _ be Mr.Peter.A.might B.must C.would
8、D.can3.What do you mean,there are only ten tickets?There _ be twelve.A.should B.would C.will D.shall4.It is usually warm in my hometown in March,but it _ be rather cold sometimes.A.must B.can C.should D.would5.Although this _ sound like a simple task,great care is needed.A.must B.may C.shall D.shoul
9、d1.must have done2.can/cant have done 3.could have done 4.should have done5.neednt have done6.might/may have done情态动词+have done：表示对过去发生的事进行推测高考真题演练一定做了可能/不可能做了本可以做本该做，而没做本不必做，而做了可能做了1.-She looks very happy.She _ have passed the exam.-I guess so.Its not difficult after all.A.should B.could C.must D.m
10、ight2.She _ have left school,for her bike is still here.A.cant B.wouldnt C.shouldnt D.neednt3.-Im sorry.I _at you the other day.-Forget it.I was a bit out of control myself.A.shouldnt shoutB.shouldnt have shoutedC.mustnt shoutD.mustnt have shouted4.You _ the exam,but you spent all your time playing.
11、A.can pass B.could have passedC.could pass D.can have passed5.-Catherine,I have cleaned the room for you.-Thanks.You _ it.I could manage it myself.A.neednt do B.neednt have done C.mustnt do D.shouldnt have done6.My MP4 isnt in my bag.Where_I have put it？A.can B.must C.should D.would 211.You1.Youto t
12、he meeting this afternoon if to the meeting this afternoon if you have something important to do.you have something important to do.A.neednA.neednt to comet to comeB.donB.dont need come t need come C.dont need comingD.neednt comeC.dont need comingD.neednt come 2.He2.Heyou more help,even though he wa
13、s you more help,even though he was v e r y b u s y.v e r y b u s y.A.m i g h t h a v e g i v e n A.m i g h t h a v e g i v e n B.might give C.can have given D.may giveB.might give C.can have given D.may give 3.-3.-I help you with some shoes,madam?I help you with some shoes,madam?-Yes,I would like to
14、 try on those brown ones-Yes,I would like to try on those brown ones.A.WillA.WillB.Should C.MayB.Should C.MayD.MustD.Must 22 4._it be true that Albert passed the test in geography?A.May B.should C.Could D.would 5.You lead a horse to the water but you not make it drink.A.will,can B.may;can C.may;dare
15、 D.dare;can 6.Must we finish the composition in class?No,you.A.neednt B.mustnt C.wont D.shouldnt 7.Her eyes were red.She.A.must cry B.must be criedC.must have been crying D.may cry 238.The only thing that really matters to the children is how soon they _return to their school.A.canB.must C.have to D
16、.ought to 9.I want to go to the chemists,but you _go with me.A.need not B.must not C.need D.must 2410.-My goodness!Ive just missed the train.-Thats too bad.I am sure you_ it,if you had hurried.A.could have caught B.had caughtC.would catch D.could catch 11.Look!What youve done!You more careful.A.may
17、be B.had to C.should have been D.would be 2512._I repeat the question?A.Shall B.Will C.Do you want that D.Do13.Professor Li,many students want to see you._they wait here or outside!A.Do B.Will C.Shall D.Are14.You read that book if you dont want to.A.havent B.cant C.mustnt D.neednt15.Johnny,youplay w
18、ith the knife;you _ hurt yourself.A.wont;cant B.cant;shouldntC.shouldnt;must D.mustnt;may 2616.Its nearly seven oclock.Jackbe here at any moment.A.must B.need C.can D.should 17.There were already 5 people in the car,but they managed to take me as well.It a comfortable journey.A.cant be B.shouldnt be
19、C.couldnt have been D.mustnt have been 18.Tom ought not to _me your secret,but he meant no harm.A.have told B.tell C.be telling D.having told 19.Everyone is here.we start the meeting?A.Can B.Must C.Should D.Shall 2720.I parked my car right here but now its gone.It.A.must be stolen B.may be stolenC.must have stolen D.must have been stolen 21.He the work yesterday,but he didnt.A.must have finished B.need have finished C.finished D.should have finished 22.He did not pass the examination.As a good student,he.A.mustnt have failed B.may not have failed C.neednt have failed D.shouldnt have failed
