人教课标高一必修Unit市公开课金奖市赛课一等奖课件.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,人教课标,高一 必修,3,Unit 1,第1页,第1页,Unit 1 Festivals around the world,Grammar,情态动词用法,第2页,第2页,情态动词语法特性,1),情态动词不能单独做谓语,除,ought,和,have,外,后面只能接不带,to,不定式。,2),情态动词没有些人称,数改变,但有些情态动词,如,can,will,也有普通式和过去式变化。,3),情态动词“时态”形式并不是时间区别主要标志,不少情况下,情态动词现在式形式和过去式形式都可用来表示现在时间、过去时间和未来时间。,第3页,第3页,只作情态动词,can/could,may/,might,ought to,must,可情态可实义,need,dare,可情态可助动词,shall/should,will/,would,相称于情态动词,have to,used to,第4页,第4页,1)can,主要使用办法是：,A.,表示体力或脑力能力：,e.g.The girl,can,dance very well.,B.,表示说话推测,事物也许性等,:,e.g.,Can,the news be true?,C.,在口语中,can,能够表示请求或允许,:,e.g.,Can,I sit here?,can,和,could,：,第5页,第5页,can,表示“能够”时与短语,be able to,同义,，但,can,只用于普通现在时或过去时,，而,后者可用于各种时态,。另外，,can,表示个人有某种能力，而,be able to,表示某人通过努力、克服困难做成某事，相称于,succeed in doing sth.,；叙述过去事实时，最好用,was/were able to,，由于,could,只表示过去含有某种能力。,第6页,第6页,如：,Can,you understand the different kinds of English these people are using?,Two years later,he,was able to,speak very good Chinese.,第7页,第7页,2)could,主要使用办法是：,A.could,是,can,过去式,表示与过去相关能力和推测,:,e.g.We all knew that the young man,couldnt,be a doctor.,B.could,能够代替,can,表示请求,但语调较,can,客气、委婉,:,第8页,第8页,e.g.,Could,you lend me your,dictionary?,Could,I use your bike?,3)can,和,could,接动词完毕形式，表示也许已经做某事。,can,用在否认和疑问句中,表示不相信、怀疑等态度。,e.g.They,cant,have gone,out because the light is still on.,第9页,第9页,以,could,或,would,提问时，不能再以,could,或,would,作答，而应当用,can,或,will,。如：,Could,I borrow your dictionary?,Yes,of course you,can,.,第10页,第10页,may,和,might,：,may,惯用来表示：,A.,表示请求、允许,;,比,can,较为正式,:,e.g.,May,I come in?,You,may,go now.,B.,表示说话人猜想,:“,也许”“也许”,:,通常只用于必定句和否认句中。,第11页,第11页,e.g.-I believe the man is from England.,-But I,may,be wrong.,The guest,may,arrive this afternoon.,在必定句中，,may,也许性比,can,高，,may,表示现实也许性，,can,表示理论上也许性。如：,第12页,第12页,The road,may,be blocked.,这条路也许不通了。,The road,can,be blocked.,这条路也许会是不通。,在疑问句中，表示也许性用,can,。,如：,Where,can,he be?,他会在哪呢？,第13页,第13页,C.,表示祝愿,;,但语调较正式,:,e.g.,May,you succeed!,May,you have a good journey!,might,使用办法有,:,多在间接引语中表示过去也许和允许。如,:,She said that he,might,take her bike.,她说他能够拿她自行车去用。,第14页,第14页,除了在间接引语中以外，,might,普通不表示过去也许或者许可,和,may,同样，表示现在也许，但是,也许性要比,may,小。如：,She,might,go home tomorrow.,说不定他明天会回家。,第15页,第15页,She,might,go home tomorrow.,说不定他明天会回家。,表示现在许可,语调比,may,较委婉,普通用于疑问句,(,包括间接疑问句,),不可用于必定句或者否认句。,如,:,Might,I have a word with you?,我能够和你说句话吗？,第16页,第16页,will,和,would,：,1.will,既是助动词 又是情态动词,will,用于构成未来时是助动词。,用于表示“决心”“请求”“习惯”,“,请求和允许,”,是情态动词。,would,同理。,e.g.I,will,tell you something,important.,我要告诉你一些主要事。,（助动词）,第17页,第17页,Will,you tell her that Im here?,请您告诉她说我在这儿，好吗？,（情态动词）,2.,在疑问句中用于第二人称，提出请求或问询。,e.g.If you want help-let me know,will,you?,假如你需要帮助,让我知道,好吗,?,第18页,第18页,Will,you type this,please?,请打印这个,好吗？,Wont,you sit down?,请坐下,好吗？,3.would,比,will,客气委婉。,e.g.,Would,you help us,please?,请您帮助我们，好吗？,Id,go there with you.,我要和你一块到那儿去。,（表决心）,（表请求）,第19页,第19页,Every morning,he will go out to do some morning exercise.,（表习惯）,第20页,第20页,shall,和,should,：,1.shall,用于构成未来时是助动词,相称于,will,shall,用于征求对方意见，表示“决心”是情态动词。,e.g.Perhaps I,shall,pay a visit to,England this winter.,也许今年冬天我会去英国观光。,（构成普通未来时,助动词）,第21页,第21页,Shall,we go by train,Mom?,妈妈，我们乘火车去好吗？,（用于征求对方意见，情态动词）,I,shall,go at once.,我必须马上去。,（表“决心”，情态动词）,第22页,第22页,shall,能够用于第一、三人称疑问句，表示征求意见或许可；还可用于第二、三人称陈说句中，表示允诺、警告、命令或威胁等。如：,You,shall,be punished if you break the rule.,If you do a good job in the coming exam,you shall get a big prize.,Everyone shall obey the law.,第23页,第23页,2.should,表示义务、提议、劝说，意为“应当”。“,should+have+,过去分词”,表示本应当在过去做但没有做。,e.g.You,should,keep your promise.,你应当遵守诺言。,She,should,have passed the exam.,她应当通过考试。,第24页,第24页,must,和,haveto,1.must,用于普通问句中,必定回答用,must,否认式用,neednt,或,dont have to,，做“不必”,mustnt,表示“严禁，不允许”,Must,Ifinishallassignmentsatatime?,Yes,you,must,.,No,you,neednt,.,第25页,第25页,I dont like this TV set.We,must,buy a new one.There was no more bus.They,had to,walk home.,2.,表示“必须”这个意思时，,must,和,haveto,稍有区别。,must,着重阐明主观见解，,haveto,强调客观需要。另外，,haveto,能用于更多时态。,第26页,第26页,You,must,bethenewteacher.,He,must,bejoking.,Thereisnobodyhere.They,musthaveall gone,home.,3.must,表示对某人某事猜想,作“准是”,“,一定”,普通用于必定句中。对 过去发生事情作必定判断用,must have done,。,第27页,第27页,He,must,come and worry her with question,just when she was busy cooking the dinner.Of course,after I gave her my advice,she,must,go and do the opposite.,4.,must,表示“偏要,硬要”,指做令人不快事情。,第28页,第28页,can/could,may/might,should 和 must 都可表示肯定推测。can/could 表示客观也许性；may 表示推测时，其语调不愿定；might 语调更弱，表示某事实际发生也许性；should 表示拟定或也许有未来或期待；must 表示比较肯定语调。如：,第29页,第29页,I think advertisements,can,be quite dangerous.,The newcomer,may,be dismissed by the company.,The rescue team,should,arrive by 5 oclock this afternoon.,I think the old woman,must,be a nice person.,第30页,第30页,could,might,would,should,都可表示委婉语调。,如,:,I wonder if you,could,let me use your cell phone.,Might,I know your telephone number?,第31页,第31页,从,A,、,B,、,C,、,D,四个选项中，选出能够填入空白处最佳选项。,1.Shall I inform him of the change of the schedule right now?,I am afraid you _,in case he comes late for the meeting.(,福建,),will B.must,C.may D.can,高考链接,B,第32页,第32页,2.No one _ be compared with Yao Ming in playing basketball.,Oh,you are really his big fan.(,湖南,),A.can B.need,C.must D.might,3.It _ be the postman at the door.Its only six oclock.(,江西,),A.mustnt B.cant,C.wont D.neednt,A,B,第33页,第33页,4.Will you read me a story,Mummy?,OK.You _ have one if you go to bed as soon as possible.(,陕西,),A.might B.must,C.could D.shall,5.If you _ smoke,please go outside.,(,大纲全国卷,),A.can B.should,C.must D.may,C,D,第34页,第34页,6.The police still havent found the lost child,but theyre doing all they _.(,四川,),can B.may C.must D.should,7.Why didnt you come to Simons party last night?,I wanted to,but my mom simply _ not let me out so late at night.(,重庆,),could B.might,C.would D.should,A,C,第35页,第35页,8.Just be patient.You _ expect the world to change so soon.,(,课标全国卷,),A.cant B.neednt,C.may not D.will not,9.I havent got the reference book yet,but Ill have a test on the subject next month.,Dont worry.You _ have it by Friday.(,江苏,),could B.shall C.must D.may,A,B,第36页,第36页,10.Doctors say that exercise is important for health,but it be regular exercise.(,辽宁,),A.can B.will C.must D.may,11.“You _ have a wrong number,”she said.“Theres no one of that name here.”(,浙江,),A.need B.can C.must D.would,C,C,第37页,第37页,12._ I take the book out?,Im afraid not.(,四川,),Will B.May,C.Must D.Need,13.The traffic is heavy these days.I _ arrive a bit late,so could you save me a place?(,辽宁,),can B.must,C.need D.might,B,D,第38页,第38页,14.One of the few things you _ say about English people with certainty is that they talk a lot about the weather.(,北京,),need B.must,C.should D.can,15.What do you mean,there are only ten tickets?There _ be twelve.,(,全国卷,I),should B.would,C.will D.shall,D,A,第39页,第39页,Find the sentences containing modal verbs in the reading passage.,Then usually by lunchtime they would all be sold.,What could have happened?,Nothing could be better,Something terrible must have happened if,第40页,第40页,He could not believe his eyes.,Perhaps he should go to the library and find out.,He had better do some research!,Even though her customers might get thin after eating Yong Huis food,They would become tired very quickly.,第41页,第41页,a.should,ought to,都可表示“应当”。,ought to,用于,表示按道理应当,，常指,客观义务或责任,，,大多数情况下可用,should,代替，但比,should,语调重,。,I,should,help her because she is in trouble.,You,ought to,take care of the baby.,Modal verbs,第42页,第42页,b.,表示劝说、提议或命令时，,should,和,ought to,可通用,，,但在疑问句中惯用,should,。,ought to,否认式为,oughtnt to,或,ought not to,。,You,should/ought to,go to class right away.,Should,I open the window?,What,should,we do next?,第43页,第43页,c.,should,ought to,都可表示推测。,He,ought to/should,be home by now.,This is where the oil,ought to/should,be.,注意,should,和,ought to,后面跟动词不定式完毕式,其必定句表示“过去应当做而未做”,其否认句则表示“过去不该做但做了”。,第44页,第44页,You,should/ought to have,made the decision a week ago.,I,shouldnt have made,such a foolish mistake.,多数情况下，,ought to,可与,should,互换使用。,ought to,反意疑问句用,shouldnt,替换。,第45页,第45页,You ought to have helped him with his English,_?,A.wont you,B.ought not you,C.shouldnt you,D.wouldnt you,第46页,第46页,2.must,和,have to,must,使用办法,表示主观义务和必要,主要用于必定句和疑问句,意思为“必须,，；由,must,引起疑问句，,必定回答要用,must,或,haveto,必须,否认回答要用,neednt donthaveto,不必,第47页,第47页,must,否认形式,mustnt,表示严禁，意思是“不能，不许”。如：,Must,Ifinishthetaskrightnow?,我现在必须完毕这个工作吗？,Yes,you,must,./Yes,youhaveto.,是。,(No,you,neednt,./No,you dont have to.,不，不必。,),第48页,第48页,You,mustnt,come here without permission.,未经允许，你不能来这儿。（严禁）,haveto,使用办法,1)must,表示一个主观需要，而,haveto,表示一个客观需要，意思是“不得不”。如：,I,have to,attend an important meeting this afternoon.,今天下午我不得不参与一个主要会议。,第49页,第49页,Mother is out,so I,have to,look after the shop.,妈妈不在家，因此我不得不照看商店。,2)haveto,否认形式是,dont have to,相称于,neednt,。如：,They dont,have to,buy a computer at present.,他们当前没有必要买电脑。,第50页,第50页,The boss has given everyone a special holiday,so we _ go to work tomorrow.A.cant B.mustnt,C.neednt D.shouldnt,【,点拨,】,考察情态动词。依据题意,可知这里表示“没有必要”,故只能选,C,项。,第51页,第51页,What do you think we can do for our aged parents?,You _ do anything except to be with them and be yourself.,A.dont have to B.oughtnt to,C.mustnt D.cant,【,点拨,】,依据题意“除了和他们呆在一起做你自己外,没有必要做任何事情。”可知这里选择,dont have to,表示“不必”。,故选,A,项。,第52页,第52页,3.must,和,need,need,作情态动词时,只能用于疑问句和否认句。构成否认句和疑问句时不借助于助动词,do,。,Need,I finish the work today?,Yes,you,must,./No,you,neednt,.,第53页,第53页,b.,must,必定形式表示“必须”，否认式表示“严禁、严禁”。,You,must,come here.,You,mustnt,take the book away from,the library.,第54页,第54页,从,A,、,B,、,C,、D,四个选项中，选出能够填入空白处最佳选项。,1.I dont really like James.Why did you invite him?,Dont worry.He _ come.He said he wasnt certain what his plans were.(,北京,),A.must not B.need not,C.would not D.might not,高考链接,第55页,第55页,2.I _ worry about my weekend I always have my plans ready before it comes.(,上海,),A.cant B.mustnt,C.darent D.neednt,3.Hows your new babysitter?,We _ ask for a better one.All our kids love her so much.(,浙江,),A.should B.might,C.mustnt D.couldnt,第56页,第56页,4.You _ buy a gift,but you can if you want to.(,湖南,),A.must B.mustnt,C.have to D.dont have to,5.May I take this book out of the reading room?,No,you _.You read it in here.(,陕西,),A.mightnt B.wont,C.neednt D.mustnt,第57页,第57页,6.I _ have watched that movie itll give me horrible dreams.(,山东,),A.shouldnt B.neednt,C.couldnt D.mustnt,7.Mark _ have hurried.After driving at top speed,he arrived half an hour early.(,天津,),A.neednt B.wouldnt,C.mustnt D.couldnt,第58页,第58页,8.When I was young,I was told that I _ play with matches.(,上海,春,),A.wouldnt B.neednt,C.mustnt D.darent,9.What sort of house do you want to have?Something big?,Well,it _ be big thats not important.(,陕西,),mustnt B.neednt,C.cant D.wont,第59页,第59页,10.What do you think we can do for our aged parents?,You _ do anything except to be with them and be yourself.(,重庆,),A.dont have to B.oughtnt to,C.mustnt D.cant,第60页,第60页,11.The boss has given everyone a special holiday,so we _ go to work tomorrow.(,上海,春,),A.cant B.mustnt,C.neednt D.shouldnt,12.Some aspects of a pilots job _ be boring,and pilots often _ work at inconvenient hours.(,湖南,),A.can;have to B.may;can,C.have to;may D.ought to;must,第61页,第61页,