《我的公开课-情态动词课件.ppt》由会员分享，可在线阅读，更多相关《我的公开课-情态动词课件.ppt（23页珍藏版）》请在三一办公上搜索。
1、情态动词,高中英语语法复习,岳阳县二中 胥玉,情态动词语法目录,一、情态动词表能力 二、情态动词表请求、允许 三、情态动词表必要性 四、情态动词表推测 五、情态动词+have done,（能够）,（能不能）,（必须）,（可能）,I can/am able to swim.I could/was able to climb a tree when I was a child.I will be able to swim next week.The fire spread through the hotel very quickly but everyone was able to get out
2、.,1.can 表示现在的能力,2.could表示过去的能力,3.be able to 表能力，可用于多种时态,4.be able to 强调成功地做了某事,情态动词表能力,shall will、would,情态动词表请求、允许,高考真题演练,shall，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.He shall leave the house at once.The sign reads:No person shall
3、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。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”,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 name of the boo
4、k?Khulaifi._ I spell it for you?A.Shall B.Would C.Can D.Might,mustneed高考真题演练,情态动词表必要性,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,You _ buy a gift,but you can if you want to.must B.mustnt C.have to D.dont have to2.When I was young,I
5、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 smoking area.A.should B.could C.may D.must,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.Tha
6、t cant be my pen.,should/ought to表示推测根据经验的推测，“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 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
7、 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 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
8、.neednt 2.-Good morning.I got an appointment with Miss Smith yesterday.-Ah,you _ be Mr.Peter.A.might B.must C.would D.can,3.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.mu
9、st B.can C.should D.would,5.Although this _ sound like a simple task,great care is needed.A.must B.may C.shall D.should,must have donecan/cant have done could have done should have doneneednt have donemight/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.
10、-She looks very happy.She _ have passed the exam.-I guess so.Its not difficult after all.A.should B.could C.must D.might2.She _ have left school,for her bike is still here.A.cant B.wouldnt C.shouldnt D.neednt,3.-Im sorry.I _at you the other day.-Forget it.I was a bit out of control myself.A.shouldnt
11、 shoutB.shouldnt have shoutedC.mustnt shoutD.mustnt have shouted,4.You _ the exam,but you spent all your time playing.A.can pass B.could have passedC.could pass D.can have passed,5.-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,
