高中情态动词讲解

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1、情态动词专项讲解1.Chinaisdevelopingitshigh-speedtraintechnologyfast,soit_____begoodenoughtocatchupwiththebest.A.mayB.mightC.mustD.should2.Thensomeotherinterestingreasonsappear,suchas“It'ssosmoggythatI______findmywaytooffice."A.mustn’tB.won’tC.can’tD.shouldn’t3."Theworldisbig,andIwanttoseeit,

2、"wroteateacherinherresignationletter._____youquityourjobtotraveltheworld?A.MustB.MightC.ShouldD.Would【答案揭晓】CCD一、情态动词的定义情态动词是一种本身有一定的词义，但要与动词原形或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。情态动词后面加动词原形。1.NodrivingelectricmotorbikesinsomeareasisarulethatweshallobeyinFuzhou.必须.

3、一定（法律.法规等）动词原形2.Womenwhoareexposedtosecond-handsmokeduringtheirpregnancycanbeatriskofabortion.能，会，可以(表示有能力或机会)动词原形二、常考情态动词的关键用法(一)can1.－Jim，itistimeyouwenttobed．Youneedtogetupearlytomorrow.－It’snotfair，MarycanstayuptilltenhutIhavetogotobedateight.可以(表示允许)2.Ifitwerenotforthefactthatsh

4、ecan'tsing，Iwouldinvitehertotheparty.能，会，可以(表示有能力)3.Luckily,ironcanbereworkedandmistakesdon'thavetobethrownaway能够，可以(表示某事物的特点)4.Petercanbereallydifficulttogetalongwithattimeseventhoughhe’sanicepersoningeneral.有可能;有时会5.Icannotchoosebuttogo.不能，无法(用于否定句，表示情况不允许)6.Icannotthankyouenough,

5、ithasbeenawonderfulday.再.....也不为过(也可以用cannever/hardly.....toomuch)7.—IsJackondutytoday?—Itcan'tbehim.It’shisturntomorrow.不可能(can可用于否定句/疑问句中表猜测，此句表对现在的猜测)8.—Canhehavebeenchosenascaptainofthefootballteam?—Yes,hemusthave.可能（can可用于否定句/疑问句中表猜测，canhavedone表示对过去的猜测猜测）9.Thisoldladywasstrugg

6、lingoutofthetrainandIsaid,'Oh,canIhelpyou?'能(通常用于疑问句，表示建议或提议帮忙)10.Canyoujustliftthetableforasecond?(用于疑问句时,can表示礼貌的请求，而can't表示强烈请求）(二)could81.Formyreturnjourney,IfeltIcouldaffordtheextraandtravelfirstclass能;会(表示发生在过去的能力)2.–Ifeelboredwithnothinginterestingtodo.--YoucouldwatchTV.Therew

7、illbeaverygoodHollywoodfilmonthisevening.可以(表示提议或建议)3.–CouldIhavealook?--Ofcourseyoucan.表许可（委婉的语气用could，回答时用can）4.Animprovementinlivingstandardscouldbeyearsaway.可能(表示某事可能属实或可能发生，对将来或者现在发生事情的肯定猜测)5.WhentheshipsailedoutfromThailand,the16sailorsonboardcouldn'thavethought_thatonlyhalfof可

8、能(couldhaved