人教版高一英语必修三Unit2情态动词gramm课件

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1、人教版高一英语必修三Unit2情态动词gramm人教版高一英语必修三Unit2情态动词grammGrammar人教版高一英语必修三Unit2情态动词grammModal Modal VerbVerb人教版高一英语必修三Unit2情态动词gramm 情态动词有一定的意义，但没有人称和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，它和后面的动词数的变化，不能独立使用，它和后面的动词构成谓语构成谓语除除ought 和和have 外，后面只能接外，后面只能接不带不带to 的不定式。的不定式。只作情态动词的只作情态动词的 can/could,may/might,ought to,must 可

2、情态可实义的可情态可实义的need,dare 可情态可助动词的可情态可助动词的 shall/should,will/would相当于情态动词的相当于情态动词的 have to,used to人教版高一英语必修三Unit2情态动词grammEveryone here can speak English.-Could I have a look at your notebook?-Yes,you can./No,you cant.It cant be Mary.She has fallen ill.Can this news be true?Where can they be?She cant h

3、ave 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.I could read when I was four.The fire spread through the hotel quickly but everyone was able to get out.人教版高一英语必修三Unit2情态动词gramm情态动词情态动词 含义含义否定式否定式 注意点注意点can/cou

4、ld表能力表能力“能，会能，会”cant“不会，不能不会，不能”区别区别 be able to表许可表许可“可以可以”cant“不可以，不许不可以，不许”代替代替may表推测表推测“可能可能”cant“不可能不可能”主要用于主要用于否定、否定、疑问句疑问句中中1表示某人通过努力克服困难做成某事表示某人通过努力克服困难做成某事,要用要用was/were able to.2 could,might,would 表委婉语气用于疑问句表委婉语气用于疑问句,答语仍须用答语仍须用 can,may,will.3 can 用于肯定句中用于肯定句中,可表示可表示”有时可能有时可能”人教版高一英语必修三Unit2

5、情态动词gramm-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.人教版高一英语必修三Unit2情态动词gramm情态动词情态动词 含义含义否定式否定式 注

6、注 意意 点点may/might表许可表许可“可以可以”mustnt“不许，严禁不许，严禁”口语中也可用口语中也可用cant表推测表推测“可能可能”May not“可能不可能不”主要主要用于用于肯定肯定句，句，不不能用在能用在疑问疑问句句（may not 可能不）可能不）人教版高一英语必修三Unit2情态动词grammIf 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?W

7、ould you please speak again more slowly？He will always take a walk after supper.During the vacation he would often visit me.人教版高一英语必修三Unit2情态动词gramm情态动词情态动词 用用 法法will表请求表请求(第二人称第二人称)表意志表意志,意愿意愿表某种倾向表某种倾向或习惯或习惯would更客气的更客气的请求请求过去的过去的意志意志,意意愿愿过去的倾向过去的倾向或习惯或习惯人教版高一英语必修三Unit2情态动词grammShall we set off no

8、w?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

9、 enough for the party.Its a pity that he should be so rude to a lady.人教版高一英语必修三Unit2情态动词gramm情态动词情态动词 用用 法法shall征求对方意见征求对方意见(第一第一,三人称三人称)表示命令表示命令,警告警告,威胁或威胁或允诺允诺(第二第二,三人称三人称)should/ought to表示劝告表示劝告,建议建议,命令或责任命令或责任“应该应该,必须必须”表示推测表示推测,“理应理应,估估计计,大概大概,可望可望”should 还可还可表示表示“竟然竟然”人教版高一英语必修三Unit2情态动词gramm-

10、Must I finish all assignments at a time?-Yes,you must./No,you neednt.I dont like this TV set.We must buy a new one.There was no more bus.They had to walk home.You must be the new teacher.There is nobody here.They must have all gone home.My MP4 isnt in my bag.Where can I have put it?John,look at the

11、time.Must you play the piano at such a late hour?人教版高一英语必修三Unit2情态动词gramm情态动词情态动词 含义含义否定式否定式注意点注意点must表必要表必要“必须必须”neednt“不必不必”(区别区别 have to)有时表有时表“偏要偏要”表推测表推测“一定一定”cant“不可能不可能”只能只能用于用于肯定肯定句，句，不能不能用于用于否定、疑问句否定、疑问句人教版高一英语必修三Unit2情态动词gramm1.A computer _ think for itself;it must be told what to do.A.can

12、t B.couldnt C.may not D.might not2.The fire spread through the hotel very quickly but everyone _ get out.A.had to B.would C.could D.was able toA D 人教版高一英语必修三Unit2情态动词gramm4.That big cinema _ seat 2,000 people.A.can B.should C.ought to D.is able toA 人教版高一英语必修三Unit2情态动词gramm5.Could I borrow your dicti

13、onary?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.canC A 人教版高一英语必修三Unit2情态动词gramm7.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 _ hur

14、t yourself.A.wont;cant B.mustnt;may C.shouldnt;must D.cant;shouldntC B 人教版高一英语必修三Unit2情态动词gramm9.-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

15、B C 人教版高一英语必修三Unit2情态动词gramm11.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 mustntC C 人教版高一英语必修三Unit2情态动词gramm13.We didnt see Tom at the meeting yest

16、erday.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 ratherB A 人教版高一英语必修三Unit2情态动词gramm15.There is someone knocking at the door.i

17、t 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 not B.may not C.should not D.dont have toA D 人教版高一英语必修三Unit2情态动词gramm17.-Is John coming by train?-He should,but he _ not.He lik

18、es 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 beDC人教版高一英语必修三Unit2情态动词gramm全国高考试题回放1.A left-luggage office is a place where bags _be left for a short tim

19、e,especially at a railway station.A.should B.can C.must D.will2.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.may3.The room is so dirty._ we clean it?Of course.A.Will B.Shall C.Would D.DoBAB人教版高一英语必修三Unit2情态动词gramm4.My Eng

20、lish-Chinese dictionary has disappeared.Who _ have taken it?A.should B.must C.could D.would5.Is John coming by train?He should,but he _ not.He likes driving his car.A.must B.can C.need D.may6.I heard they went skiing in the mountains last winter.-It _ true because there was little snow there.A.may n

21、ot be B.wont beC.couldt be D.mustnt beCDC人教版高一英语必修三Unit2情态动词gramm10.I was really anxious about you.You _ home without a word.A.mustnt leave B.shouldnt have leftC.couldnt have left D.neednt leave11.You cant imagine that a well-behaved gentlemen _ be so rude to a lady.A.might B.need C.should D.would12

22、.Write to me when you get home._.A.I must B.I should C.I will D.I canBCC人教版高一英语必修三Unit2情态动词gramm13.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.must14.Are you coming to Jeffs party?Im not sure.I _ go to the concert instead.A.must B.wou

23、ld C.should D.might15.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 attendedADA人教版高一英语必修三Unit2情态动词gramm16.Sorry,Im late.I _ have turned off the alarm clock and gone back to sleep ag

24、ain.A.might B.should C.can D.will17.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 have18.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.needADB人教版高一英语必修三Unit2情态动词

25、gramm19.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 stayed20.The fire spread through the hotel very quickly but everyone _ get out.A.had to B.would C.was able to D.could21.Jack _ yet,otherwise he would have telephoned

26、me.A.mustnt have arrived B.shouldnt have arrivedC.cant have arrived D.neednt have arrivedA CC人教版高一英语必修三Unit2情态动词gramm22.When he was there,he _ go to that coffee shop at the corner after work everyday.A.would B.should C.had better D.might23.Sir,you _ be sitting in this waiting room.It is for woman an

27、d children only.A.oughtnt to B.cant C.wont D.neednt24.Its nearly seven oclock.Jack _ be here at any moment.A.must B.need C.should D.canAAC人教版高一英语必修三Unit2情态动词gramm25.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.oug

28、ht to write it out26.Michael _ be a policeman,for he is much too short.A.neednt B.cant C.should D.mayCB人教版高一英语必修三Unit2情态动词grammDiscovering 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

29、.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 tri

30、ck on them.人教版高一英语必修三Unit2情态动词gramm 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.