1、返回导航上一页下一页语法专项语法专项 情态动词情态动词 2020年中考情态动词总结（共15张PPT）2020年中考情态动词总结（共15张PPT）返回导航上一页下一页 从近7年的河南真题来看，主要在单项选择中考查(必考)，也会在完形填空中涉及(2014.39)。返回导航上一页下一页情态动词：情态动词：情态动词是一种本身有一定的词义，但要与动词原形及其被动语态一起使用，给谓语动词增添情态色彩，表示说话人对有关行为或事物的态度和看法，认为其可能、应该或必要等。表示可能、怀疑、允诺、愿望、义务、必要、猜测等的动词是情态动词。性点：性点：1.不能单独作谓语，须和行为动词或系动词连用共同构成谓语 2.无人
2、称和数的变化（have to除外）3.后接动词原形do/be(这一点很重要)4.具有助动词作用（可用来构成否定句，疑问句）返回导航上一页下一页情态动词的分类只作情态动词的有：may/might；can/could;must；可作情态动词也可作实义动词的有：need；dare可作情态动词也可作助动词的：will/would shall/should具有情态动词特征的：have to；had better；would rather返回导航上一页下一页1情态动词的基本用法情态动词的基本用法情态动词情态动词用法用法例句例句may1.表示请求、许可，意为“可以”。其一般疑问句的肯定回答用can，否定回答
3、用cant/mustntMay I look at your CD player？No，you mustnt/cant.2.表示推测，可能性较小，意为“可能”，常用于肯定句中Your sister may be waiting for you now.3.用于祈使句，表示祝福或愿望May you succeed！祝你成功！might1.may的过去式He asked him if he might go back.2.表示请求时，比may语气更委婉Might I take your order？3.表示猜测，可能性比may小This guitar might belong to Alice.S
4、he plays the guitar.返回导航上一页下一页情态动词情态动词用用 法法例例 句句can1.表示能力，意为“能，会”，其否定是can notcantI can play the guitar.I cant play the violin.2.表示请求、允许，意为“可以”，较口语化Can I go home now？You can tell him about that now.3.表示推测，意为“可能”，常用于否定句和疑问句中。cant表示否定推测，语气强烈，意为“不可能”。can所在的疑问句其肯定回答用may或mustWhere can it be？It may/must be
5、 in your desk.Miss Gao cant be at home.高老师不可能在家。could1.can的过去式，表示过去的能力Lucy could swim at the age of five.露西五岁就会游泳。2.表示请求、许可或建议，语气较can更委婉Could you help me？你能帮我吗？3.表示猜测，意为“可能”，常用于肯定句Whose French book is this？It could be Alices.She studies French.返回导航上一页下一页can和和be able to的区别的区别:can表示“能力”时，可以和be able to
6、互换。can只用于一般现在时和一般过去时(could),be able to可用于多种时态。如：Jim couldnt speak Chinese last year,but now he can.When he grows up,he will be able to support his family.表示经过一番努力才能完成的事情或者前面有特殊情况时，只能用be able to。如：The fire spread the building quickly but everybody was able to(managed to)escape.大火迅速蔓延到整幢大楼，但是大家都逃了出来。c
7、ould常和动词see,hear,smell,taste,feel,remember,understand等连用。如：Although she spoke in a very low voice,I could understand what she said.虽然她讲话的声音很低，我还是明白了她说的话。返回导航上一页下一页情态动词情态动词用用 法法例例 句句must 1.表示说话人的主观意愿，意为“必须，一定”We must work hard at English.2.其否定形式为mustnt，表示“禁止，不允许”You mustnt say things like that.3.表示非常
8、有把握的肯定推测，意为“一定，肯定”They must be very tired after a long walk.4.其引导的一般疑问句，肯定回答用must，否定回答用neednt/dont have toMust I finish my work now？No，you neednt/dont have to.表示客观需要，意为“不得不；必须”，有人称、时态和数的变化，后跟动词原形 We have to ask Zhang Hong.返回导航上一页下一页 must和和have to的比较：的比较：must只有一种形式，而have to可用于多种时态。You had to speed up
9、,for the weather turned terrible.must和have to的否定式的意思完全不同，mustnt意为“禁止”，dont have to意为“不必要”。如：Look at the sign“No Photos”.That means you mustnt take photos here.The airport isnt far from my home,so I dont have to set off so early.【注意】以must开头的一般疑问句，肯定回答用must/have to，否定回答用neednt或者dont have to，而不能用mustnt
10、。如：Must I return the book to the library this Friday?我必须在这周五把书还给图书馆吗？No,you dont have to.You can keep it for a week.不，你不必。你可以再看一个星期。返回导航上一页下一页考考 点点 精精 讲讲情态动词情态动词用用 法法例例 句句1.作情态动词时意为“需要”，常用于疑问句和否定句中；You neednt say sorry to him.2.need引导的疑问句，肯定回答用must,否定回答是neednt 或dont have to Need I go there tomorrow？
11、Yes,you must./No,you neednt/dont have to.3.need作为实义动词，可用于肯定句、否定句和疑问句中，有人称和数的变化。need+n.需要某物 need to do sth.需要做某事(主语通常是人)I really need a job.I really need to go outside to get some fresh air.You need to listen carefully in class.dare1.dare作情态动词用时,常用于疑问句、否定句，过去式形式为dared。1.How dare you say Im unfair?2.H
12、e darent speak English before such a crowd,dare he?2.dare作实义动词用时，有人称、时态和数的变化。在肯定句中，dare后面常接带to的不定式。在疑问句和否定句中，dare后面可接带to或不带to的不定式。1.I dare to swim across this river.2.He doesnt dare(to)answer.返回导航上一页下一页考考 点点 精精 讲讲情态动词情态动词用用 法法例例 句句shall shall用于第一、三人称，表示说话人征求对方意见。1.Shall we begin now?2.Shall he wait
13、for you outside?should1.should表示责任义务或者建议，意为“应该”。You should go to see the doctor.2.表示征得意见，常用于疑问句中What should I do?(1)用于第二人称的疑问句，表示说话人征求对方意见Will you please read it again？你可以再读一遍吗？(2)用于各人称，表示意愿We will do anything for you.我们将为你做任何事。(3)表示习惯或规律Dad will walk up and down the room before he decides to do som
14、ething important.wouldwould是will的过去式，但可以用于现在时间表达委婉或客气的语气Would you please bring your book here tomorrow？He would share his progress with us when we were at high school.当我们上高中时，他会和我们分享他的进步。返回导航上一页下一页考考 点点 精精 讲讲情态动词情态动词用用 法法例例 句句had better“最好”，没有人称和数的变化，后接动词原形,否定是had better not doYoud better go there b
15、y bus.You had better not miss the last bus.would rather“宁愿，宁可”常见句型 would rather do than do I would rather watch TV at home than go to the cinema.返回导航上一页下一页2020年中考情态动词总结（共15张PPT）2020年中考情态动词总结（共15张PPT）返回导航上一页下一页1.(2018河南31)Are you going to the cinema tonight?I dont know.I go or stay at home.Awill；will
16、 Bmust；must Cshould；should Dmight；might2.(2017河南28)I dont care what people think.Well，you Youre not alone in this world.Acan Bmay Cshould Dwill3.(2019河南31)Jerry didnt pay me back,but he promised that hethis Sunday.A.mustB.could C.wouldD.should4.(2016河南27)You look very pretty，if Isay so.Thanks a lot
17、for saying that.Amust Bmay Cwill Dhave to5.(2015河南26)Whats the matter with Tom？He has been absent for two days.Oh！He be ill.Lets go and ask Ms.Brown.Acan Bneed Cmay Dwould6.(2013河南26)Dad，must we wait until the light becomes green?Yes，Im afraid weThats the traffic rule.Acan Bmay Chave to Dneed7.(2019
18、滨州)Mom，its too hot.I swim in the lake?No，you .Thats too dangerous!AShould；cant BNeed；mustnt CMust；neednt DCould；mustnt8.(2019西宁)Look！Itbe David in the classroom.Itbe him.Because I saw him in the library a moment ago.Amay；mustnt Bmust；cant Ccan；cant Dcan；mustnt9.(2019焦作一模)Must I go to a medical schoo
19、l and be a doctor like you，Dad?No，you ，son.Youre free to make your own decision.Acant Bmustnt Cshouldnt Dneednt10.(2019青岛)As middle school students，we follow the public rules wherever we go.Awould Bshould Cmight Dcould2020年中考情态动词总结（共15张PPT）2020年中考情态动词总结（共15张PPT）返回导航上一页下一页2020年中考情态动词总结（共15张PPT）2020年中考情态动词总结（共15张PPT）
