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1、情態(tài)動(dòng)詞用法總結(jié)情態(tài)動(dòng)詞的語(yǔ)法特征2)情態(tài)動(dòng)詞不能單獨(dú)做謂語(yǔ),后面只能接動(dòng)詞原形，oughtto和haveto除外，。3)情態(tài)動(dòng)詞沒(méi)有人稱,數(shù)的變化,但有些情態(tài)動(dòng)詞,如can、will、haveto、may等有過(guò)去式。1）情態(tài)動(dòng)詞表說(shuō)話人的某種感情或語(yǔ)氣，對(duì)某一動(dòng)作或狀態(tài)的某種態(tài)度。1)Someofuscanusethecomputernow,butwecouldn’tlastyear.2)Canshebeinthecomputercenter?3)Ithoughwhathesaidcouldnotbetrue.4)Can/Coul
2、dIuseyourdictionary?5)Couldyoulendmeahand?1.表能力,意為“能，能夠”，can指現(xiàn)在，could指過(guò)去。3.表示“請(qǐng)求”“允許”(表請(qǐng)求時(shí)，口語(yǔ)中常用could代替can使語(yǔ)氣更委婉，回答時(shí)用can)2.表示推測(cè)，意為“可能”“或許”，用于疑問(wèn)句或否定句，can’t和couldn’t意為“不可能”。1.can與could5.There’ssomeoneoutside.Who____itbe?A.canB.needC.mayD.must6.----IsJackondutytoday?----I
3、t____behim.It’shisturntomorrow.A.mustn’tB.won’tC.can’tD.needn’t7.Itisusuallywarminmyhometown,butit____berathercoldsometimes.A.canB.needC.dareD.must8.Thefirespreadthroughthehotelveryquickly,buteveryone_______getaway.A.wereabletoB.wouldC.wasabletoD.couldACAC2.may與might1.
4、表示“許可”或“請(qǐng)求”，有“可以”的意思，口語(yǔ)中常用might代may,表示委婉語(yǔ)氣。否定回答時(shí)用“mustnot”表“禁止，阻止”，不用“maynot”.“maynot”表示“可能不”。Eg:1)---MayIwatchTVaftersupper?---Yes,youmay./No,youmustn’t.2)TodayisSunday.Shemaynotinherofficenow.2.表示可能性。意為“或許，可能”might比may可能性小。Eg:1)Thegirlmightbesleepingthistimeofday.2)T
5、heymaybeinthelibrarynow.4.may/mightaswell+動(dòng)詞原形“…還是…的好”“不妨干某事”Eg:Youmayaswellgoandhavealook.3.may/mighthavedone表示對(duì)過(guò)去發(fā)生過(guò)的事情的推測(cè)，意為“可能已經(jīng)做過(guò)某事”Eg:Ican’tfindmysunglasses.Imay/mighthavelefttheminyouroffice.1.SorryI'mlate.I_____haveturnedoffthealarmclockandgonebacktosleepagain.
6、A.mightB.shouldC.canD.will2.Peter_____comewithustonight,butheisn’tverysureyet.A.mustB.mayC.canD.willAB3.will與would1.用于第二人稱的疑問(wèn)句中，表“請(qǐng)求、建議”等，用would比用will委婉，客氣些Eg:1)Willyoulendmeyourbook?2)Wouldyoulikeacupoftea?2.用于表示意志或意愿，意為“會(huì)，愿意”。will指現(xiàn)在，而would指過(guò)去。用于否定句中，表示“不會(huì)、不肯、不樂(lè)意”。Eg
7、:1)Iwon’tdothatagain.2)Theysaidthattheywouldhelpus.3)NomatterwhatIsaid,hewon’tlistentome.3.表示習(xí)慣性動(dòng)作。譯作“總是、慣于”，will指現(xiàn)在常常，would指過(guò)去常常。Eg:1)Thismanisstrange.Hewillsitforhourswithoutsayinganything.2)Marywillkeepaskingsomesillyquestions.3)Everyevening,shewouldsitbywindow,deep
8、inthought.4)WewouldsitaroundGrandpaaftersupper,listeningtohisstories.Ifyou____waithereforanother5minutes,ourmanagerwi
