高中情态动词课件大全 2.ppt

《高中情态动词课件大全 2.ppt》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、情态动词(一）modalverbsGrammar1策划：《学生双语报》情态动词表示推测不表示推测cancouldmaymightshallshouldmustwillwouldoughttohavetodare(daren’t)need(needn’t)usedto2策划：《学生双语报》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．3策划：《学生双语报》1)Someofuscanusethecomputernow,butwecouldn’tlastyear.2)Thenew-built

2、theatrecanseat1500people.3)Canshebeinthecomputercenter?4)Ithoughwhathesaidcouldnotbetrue.5)Can/CouldIuseyourdictionary?6)Couldyoulendmeahand?1.表能力3.表示“请求”“允许”(表请求时，口语中常用could代替can使语气更委婉，回答时用can)2.表示推测，意为“可能”“或许”，用于疑问句或否定句1.can与could44.表示“许可”，可与may换用。Youcangohomen

3、ow.5.can用于疑问句或否定句中时，表惊异、不相信等，意思是“可能、能够”。HowcanyousaythatyoureallyunderstandthewholeStoryifyouhavecoveredonlypartofthearticle?6.can’t/couldn’t+have+done不可能做过某事Susancan’thavewrittenareportlikethis.7.could+have+done本可以做而没能做It’sapity.Yourclasscouldhavegotthefirstpriz

4、e.5Michael____beapoliceman,forhe’smuchtooshort.A.needn’tB.can’tC.shouldD.may2.Mr.Bushisontimeforeverything.How____itbethathewaslatefortheopeningceremony?A.canB.shouldC.mayD.must3.----IstayedatahotelwhileinNewYork.----Oh,didyou?You____withBarbara.A.couldhavestayed

5、B.couldstayC.wouldstayD.musthavestayedMysistermethimattheGrandTheateryesterdayafternoon,sohe____yourlecture.A.couldn’thaveattendedB.needn’thaveattendedC.mustn’thaveattendedD.shouldn’thaveattendedBAAA62.may与might1.表示“许可”或“请求”，有“可以”的意思，口语中常用might代may,表示委婉语气。否定回答时用“

6、mustnot”表“禁止，阻止”，不用“maynot”.“maynot”表示“可能不”。Eg:1)---MayIwatchTVaftersupper?---Yes,youmay./No,youmustn’t.2.表示可能性。意为“或许，可能”might比may可能性小。Eg:1)Itmightbetrue.2)Theymaybeinthelibrarynow.73.may/mightaswell+动词原形“…还是…的好”Eg:Youmayaswellgoandhavealook.4.Mayyou+动词原形表“希望、祝愿、

7、祈求”“祝你……”Eg:Mayyousuccess.81.SorryI'mlate.I_____haveturnedoffthealarmclockandgonebacktosleepagain.A.mightB.shouldC.canD.will2.Peter_____comewithustonight,butheisn’tverysureyet.A.mustB.mayC.canD.willAB93.will与would1.表“请求、建议”等，用would比用will委婉，客气些Eg:1)Willyoulendmeyo

8、urbook?2)Wouldyoulikeacupoftea?2.用于表示意志或意愿。will指现在，而would指过去。Eg:1)I’llneverdothatagain.2)Theysaidthattheywouldhelpus.103.表示习惯性动作。译作“总是、惯于”will指现在，would指过去。Eg:1