人教版高一英语必修三Unit2情态动词课件gramm.ppt

M3 Unit 1 Learning about language,Grammar,情态动词,Modal Verb,情态动词有一定的意义，但没有人称和数的变化，不能独立使用，它和后面的动词构成谓语除ought 和have外，后面只能接不带to的不定式。只作情态动词的 can/could,may/might,ought to,must 可情态可实义的need,dare 可情态可助动词的 shall/should,will/would相当于情态动词的 have to,used to,Everyone here can speak English.-Could I have a look at your notebook?-Yes,you can./No,youcant.It cant be Mary.She has fallen ill.Can this news be true?Where can they be?She cant have left school,for her bike is still here.The monkeys look sweet,but they can be very naughty.She can/is able to sing the song in English.IcouldreadwhenIwasfour.The fire spread through the hotel quickly but everyone was able to get out.,1表示某人通过努力克服困难做成某事,要用was/were able to.2 could,might,would 表委婉语气用于疑问句,答语仍须用 can,may,will.3 can 用于肯定句中,可表示”有时可能”,-May I use your pencil?-Yes,you may./No,you mustnt.,She may not be working now.John might be at home now.Helen may go on the trip with us,but she isnt very sure yet.,She may/might have read it in the paper.,He may not have finished reading the book.,If you will help me with my English,I will be very happy.I promised that I would do my best.,Will you tell me something about your hometown?Would you please speak again more slowly？,He will always take a walk after supper.During the vacation he would often visit me.,Shall we set off now?You shall do as I say.Tell him that he shall have the book tomorrow.You shall be punished if you do that again.You shouldnt/oughtnt to smoke so much.She shouldnt have left without saying a word.Its five oclock.John should be at home now.We have prepared a fridge of food and drinks.That ought to be enough for the party.Its a pity that he should be so rude to a lady.,-MustIfinishallassignmentsatatime?-Yes,you must./No,youneednt.,I dont like this TV set.We must buy a new one.There was no more bus.They had to walk home.,Youmustbethenewteacher.Thereisnobodyhere.Theymusthaveall gonehome.My MP4 isnt in my bag.Where can I have put it?,John,look at the time.Must you play the piano at such a late hour?,1.A computer _ think for itself;it must be told what to do.A.cant B.couldnt C.may not D.might not,2.The fire spread through the hotel very quickly but everyone _ get out.A.had to B.would C.could D.was able to,A,D,4.That big cinema _ seat 2,000 people.A.can B.should C.ought to D.is able to,A,5.Could I borrow your dictionary?Yes,of course you _.A.might B.will C.can D.should6.Might I watch TV after supper?Yes,you _.A.may B.must C.might D.can,C,A,7.You _ return the book now.You can keep it till next week if you like.A.cant B.mustnt C.neednt D.may not8.Johnny,you _ play with the knife,you _ hurt yourself.A.wont;cant B.mustnt;may C.shouldnt;must D.cant;shouldnt,C,B,9.-Will you stay for lunch?-Sorry,_.My brother is coming to see me.A.I mustnt B.I cant C.I neednt D.I wont10.-May I pick a flower in the garden?-_.A.No,you neednt B.Not,please.C.No,you mustnt D.No,you wont,B,C,11.Put on more clothes.You be feeling cold with only a shirt on.A.can B.could C.must D.would12.Must I drive to his house and pick up the children?No,.A.you shouldntB.you might not C.you neednt D.you mustnt,C,C,13.We didnt see Tom at the meeting yesterday.He it.A.mustnt have attended B.cannot have attended C.neednt have attended D.would have not attended14.We play chess than bridge.Some of us dont know how to play bridge.A.had better B.would better C.would rather D.had rather,B,A,15.There is someone knocking at the door.it be Tom?A.Can B.Must C.Should D.Ought to16.Two year ago,my husband bought me a bicycle.If you live in town,it is often faster than a car and you worry about parking.A.must notB.may not C.should notD.dont have to,A,D,17.-Is John coming by train?-He should,but he _ not.He likes driving his car.A.must B.can C.need D.may19.-I heard they went skiing in the mountains last winter.-It _ true because there was little snow there.A.may not be B.wont be C.couldnt be D.mustnt be,D,C,全国高考试题回放,1.A left-luggage office is a place where bags _be left for a short time,especially at a railway station.A.should B.can C.must D.will,2.How _ you say that you really understand the whole story if you have covered only part of the article?A.can B.must C.need D.may,3.The room is so dirty._ we clean it?Of course.A.Will B.Shall C.Would D.Do,B,A,B,4.My English-Chinese dictionary has disappeared.Who _ have taken it?A.should B.must C.could D.would,5.Is John coming by train?He should,but he _ not.He likes driving his car.A.must B.can C.need D.may,6.I heard they went skiing in the mountains last winter.-It _ true because there was little snow there.A.may not be B.wont beC.couldt be D.mustnt be,C,D,C,10.I was really anxious about you.You _ home without a word.A.mustnt leave B.shouldnt have leftC.couldnt have left D.neednt leave,11.You cant imagine that a well-behaved gentlemen _ be so rude to a lady.A.might B.need C.should D.would,12.Write to me when you get home._.A.I must B.I should C.I will D.I can,B,C,C,13.Mr.Bush is on time for everything.How _it be that he was late for the opening ceremony?A.can B.should C.may D.must,14.Are you coming to Jeffs party?Im not sure.I _ go to the concert instead.A.must B.would C.should D.might,15.My sister met him at the Grand Theatre yesterday afternoon,so he _ your lecture.A.couldnt have attended B.neednt have attendedC.mustnt have attended D.shouldnt have attended,A,D,A,16.Sorry,Im late.I _ have turned off the alarm clock and gone back to sleep again.A.might B.should C.can D.will,17.There was a lot of fun at yesterdays party.You _ come,but why didnt you?A.must have B.should C.need have D.ought to have,18.When can I come for the photos?I need them tomorrow afternoon.They _ be ready by by 12:00.A.can B.should C.might D.need,A,D,B,19.I stayed at a hotel while in New York.-Oh,did you?You _ with Barbara.A.could have stayed B.could stayC.would stay D.must have stayed,20.The fire spread through the hotel very quickly but everyone _ get out.A.had to B.would C.was able to D.could,21.Jack _ yet,otherwise he would have telephoned me.A.mustnt have arrived B.shouldnt have arrivedC.cant have arrived D.neednt have arrived,A,C,C,22.When he was there,he _ go to that coffee shop at the corner after work everyday.A.would B.should C.had better D.might,23.Sir,you _ be sitting in this waiting room.It is for woman and children only.A.oughtnt to B.cant C.wont D.neednt,24.Its nearly seven oclock.Jack _ be here at any moment.A.must B.need C.should D.can,A,A,C,25.I told Sally how to get here,but perhaps I _ for her.A.had to write it out B.must have written it outC.should have written it out D.ought to write it out,26.Michael _ be a policeman,for he is much too short.A.neednt B.cant C.should D.may,C,B,Discovering useful structures,Ex.1:1.Most ancient festivals would celebrate the end of cold weather 2.Sometimes celebrations would be held after hunters had caught animals.3.At that time people would starve if food was difficult to find 4.or to satisfy the ancestors,who might return either to help or to do harm.5.For the Japanese festival Obon,people should go to clean graves 6.It is now a childrens festival,when they can dress up and go 7.the children might play a trick on them.,8.Festivals can also be held to honour famous people.9.Harvest and Thanksgiving festivals can be very happy events.10.In European countries,people will usually decorate churches and town halls 11.Some people might win awards for their farm produce 12.At the Spring Festival in China,peoplemay give children lucky money in red paper.13.These carnivals might include parades,dancing in the streets 14.The country looks as though it might be covered with pink snow.,