资源描述：
《最新情态动词用法总结教学讲义PPT.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、情态动词用法总结情态动词的语法特征2)情态动词不能单独做谓语,后面只能接动词原形，oughtto和haveto除外，。3)情态动词没有人称,数的变化,但有些情态动词,如can、will、haveto、may等有过去式。1）情态动词表说话人的某种感情或语气，对某一动作或状态的某种态度。1)Someofuscanusethecomputernow,butwecouldn’tlastyear.2)Canshebeinthecomputercenter?3)Ithoughwhathesaidcouldnotbetrue.4)Can/Coul
2、dIuseyourdictionary?5)Couldyoulendmeahand?1.表能力,意为“能，能够”，can指现在，could指过去。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，can’t和couldn’t意为“不可能”。1.can与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与might1.
4、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“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。意为“或许，可能”might比may可能性小。Eg:1)Thegirlmightbesleepingthistimeofday.2)T
5、heymaybeinthelibrarynow.4.may/mightaswell+动词原形“…还是…的好”“不妨干某事”Eg:Youmayaswellgoandhavealook.3.may/mighthavedone表示对过去发生过的事情的推测，意为“可能已经做过某事”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与would1.用于第二人称的疑问句中，表“请求、建议”等，用would比用will委婉，客气些Eg:1)Willyoulendmeyourbook?2)Wouldyoulikeacupoftea?2.用于表示意志或意愿，意为“会，愿意”。will指现在，而would指过去。用于否定句中，表示“不会、不肯、不乐意”。Eg
7、:1)Iwon’tdothatagain.2)Theysaidthattheywouldhelpus.3)NomatterwhatIsaid,hewon’tlistentome.3.表示习惯性动作。译作“总是、惯于”，will指现在常常，would指过去常常。Eg:1)Thismanisstrange.Hewillsitforhourswithoutsayinganything.2)Marywillkeepaskingsomesillyquestions.3)Everyevening,shewouldsitbywindow,deep
8、inthought.4)WewouldsitaroundGrandpaaftersupper,listeningtohisstories.Ifyou____waithereforanother5minutes,ourmanagerwi
