情态动词课件-中考英语重点语法

情态动词目标CONTENTS定义+使用原则0102表能力0304表命令和建议0506情实共存表请求和许可表推测一、定义表示说话人的情绪和态度。常见的情态动词有哪些？说出5个加5分，5个以上1个1分重点1使用原则使用原则1、不能单独使用，后接动词原形，构成谓语2、没有人称和数的变化。3、否定直接在单词后加not。（可缩写）【⚠️：haveto，beableto不属于情态动词，但是他们带有情态含义，注意人称、数和否定结构的变化。】重点2使用方法一、表能力：能，会，可以FrankcanspeakEnglishandFrench.HishusbandLZYcouldeat10Chinesehamburgersforonemealbefore.三、表能力：能，会，可以情态动词人称和数的变化强调点时态can/couldbeabletozyfisabletotakecareofhimself.oneday,Spider-Manwillbeabletosavetheworld.无有强调自身已具有的能力强调通过努力而获得的能力can用于现在时could用于过去时多种时态小试牛刀1、IfyouworkhardatyourEnglish,I'msureyouwill_______speakEnglishverywellnextyear.A.can

B.areableto

C.beableto

D.could2、-LifegetseasierwiththeInternet.-That'strue!We_____doalmosteverythingonline.A.can B.could C.need D.areableto 3、Thescenerywasbreathtaking!I'msogladthatwe_____gorock-climbingtogether.A.couldn't B.can C.wereableto D.need4、I'mafraidofheights,soI____climbthatmountain.A.can't B.amnotableto C.could D.must☑️☑️☑️☑️二、表请求和许可表示请求的动词有：can\could\may\might\will\would\shall1.Can/CouldIborrowyourpen?2.May/MightIuseyourphone?3.Will/wouldyoumarryme?表示请求的动词有：can\could\may\might\will\would\shall注意：1、其中could、might、would在表请求时更加委婉，但不用于回答。2、may与might用于疑问句的回答May/MightIuseyourphone?yes,you__________.no,you___________.may/cancan't/mustn't【maynot不可用】【sure\certainly\noproblem也可以】3、will、would多用于第二人称作主语的疑问句中，shall可以用于一、三人称中表示请求的动词有：can\could\may\might\will\would\shallWillyoupassmethebook?Wouldyouhelpme,please?ShallIopenthewindow?shallwehandinyourpapersnow?cancan'twillwon't☑️☑️☑️☑️---______Iknowbywhattimeyouwanttheprojecttobedone?---Bythedayaftertomorrow._______youfinishitontime?A.may;can B.must;need C.could;must D.need;would☑️☑️Hemustgohomenow,beacusehehastodohomework.hehastohelpothersbecauseheisavolunteer.表命令和建议三、表命令和建议肯定含义人称和数的变化强调点例句musthavetoshould/oughtto/否定含义人称和数变化强调点例句

/必须不得不应该无有无主观意愿由于客观因素不得不mustn'tdon'thavetoshouldn't/oughtn'tto禁止；不允许不必不应该无有无CJCmusthelpZYFbecauseheismybestfriend.Ican'twatchTVtonightbecauseIhavetodohousework.⚠️【注意】：在回答must提问的句子时，进行肯定回答用___________________，进行否定回答用_________/_________【不可用mustn't】must或者havetoneedn'tdon'thaveto情态动词与半情态动词之间的区别是什么？经典例题1.We__________usemobilephoneswhentheplanetakesoff.A.maynotB.don'thavetoC.needn'tD.mustn't2.He__________wearaschooluniformfromMondaytoFriday.It＇sourschoolrule.A.hastoB.oughttoC.mustD.haveto☑️☑️3.-MustIhandinmyhomeworknow，Mr.Smith？-No,you______.A.can'tB.shouldn'tC.mustn'tD.needn't4.Drivers_______wearseatbeltswhiletheircarsarerunningontheroad.A.wouldB.canC.mustD.may☑️☑️总复习1、---Canyoursisterplaythepiano？

----________.It＇stoodifficultforher.A.Yes;shedoes.

B.Yes;shecan.C.No;shedoesn't.

D.No;shecan't.2、Mr.Guisgoodatlanguages.He________speakeightlanguages.A.may

B.must

C.can D.hasto3、Bobcanplaybaseball，buthe________playthedrums.A.can

B./

C.can't

D.must4、Ican'tfindmywatchanywhere.I______findit,or（否则）mymotherwillbeangry.Acan

B.may

C.must

D.could5、---MustIgetupearlytomorrow？

---No，you________.A.must

B.mustn't

C.don't

D.don'thaveto福卡时间到！6.-Paulhaslosthisphone.-No.It'sinhisbag.I______hearit.A.must

B.can

C.haveto

D.need7.-MustIcleanthewindownow？-No,you_______.A.mustn't

B.needn't

C.can't

D.maynot8.Mybrother_______hispianoandheplaysit_______.A.canplays;good

B.can'tplay;goodC.canplay;well

D.doesn'tplay;well9.Molly_______readabookafterdinnerbeforeshe_______watchTV.A.can,hasto

B.should,can't

Chasto,can

D.can't,must10.Theairissocleanandwe_______seemanygreentreesandbeautifulflowersonthemountain.A.may

B.must

C.can

D.haveto四、表推测的情态动词表推测表“确定”的推测表“不确定”的推测含义：一定含义：可能肯定：must否定：can't肯定：can、could、

may、might否定：maynot、mightnot注意：1、在表推测的时候，might/could不是may，can的过去式，而是委婉表达，语气比may，can更加委婉.2、mustn't意为不允许，禁止，表示命令，不用于表示推测3、表推测时，语气由强到弱依次为must>can't>can>could>may>might小试牛刀1、-Haveyoudecidedwheretospendyourwinterholiday？-Notyet.We______gotoHongKong.A.may

B.must

C.should

D.need2、-Whatwilltheweatherbeliketomorrow？

-It_____berainy,cloudyorsunny.I'mnotsure.A.must

B.should

C.can't

D.might3、-MyChinesebookisnowheretobefound.Where_____itbe？-Isitunderthesofa？A.could

B.must

C.should

D.need4、-It_____beJohnwhoisstillworkingintheoffice.-I'msureit_____beJohn.Isawhimoffattheairportjustthismorning.A.would;shouldn'tB.may;mustn't C.must;can't

D.can;needn＇t☑️☑️☑️☑️五、情实共存：need、dare共同点不同点意思相同；不管是情态动词，还是实义动词，need都为需要，dare都为敢的意思情态动词实义动词三原则否定+not无三单后加动词原形don't,doesn't+need/dare有三单后面加todoneed情态动词实义动词肯定句否定句一般疑问句肯定句否定句一般疑问句dare情态动词实义动词1、I'mfeelingmuchbetternowsoyou______callthedoctor.A.couldn'tB.wouldn'tC.can'tD.needn't2.She______askherparentsforthepocketmoney.A.doesn＇tdareB.daren＇ttoC.daresnotD.darenot☑️☑️小试牛刀3.Iwillhelpyoufinishthework,soyou_____worryaboutit.A.needB.needtoC.needn'tD.don'tneed4.I____you,becauseIthoughtImustbewrong.A.darenotaskB.darenottoaskC.darenotaskingD.daretonotask☑️☑️关于情态动词的一些附加小知识，你知道吗？Mayyousucceed.希望你成功。Maythefriendshipbetweenourtwocountrieslastsforever.希望两国之间的友谊万古长青。may表示祝福：may+主语+do1.-_____Iwanttobeanar