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1、新概念英语第二册语法精粹第一章英语动词时态Tenses英语时态是英语语法中的第一首难关，攻下此难关是作文、阅读、口语之关键。汉语用不同词表达相应时态，而英语用同一词的不同变化形式表达时态。一、英语各种时态构成表：以play为例：一般时态进行时态完成时态完成进行时态现在playishashasplaysamplayinghaveplayedhavebeenplayingare过去playedwashadplayedhadbeenplayingwereplaying将来shallshallshallshallwillpla
2、ywillbeplayingwillhaveplayedwillhavebeenplaying过去shouldshouldshouldshould将来wouldplaywouldbeplayingwouldhaveplayedwouldhavebeenplaying二、一般现在时：1.构成：使用动词原形，第三人称单数须有变化。(1)直接加“s”，works,takes(2)以辅音加“y”结尾，变“y”为“i”,再加“es”carry→carries(3)以“o,s,x,ch,sh”结尾的动词加“es”goesdress
3、eswatchesbrushes2.功能：(1)表现在的事实、状态或动作：eg：Ø.Birdsfly.Ø.Shelovesmusic.Ø.Mary’sparentsgetupveryearly.(2)表习惯性动作或职业，常与often,sometimes,usually,always,everyweek,seldom,occasionally,frequently等时间副词连用。eg：Ø.Ialwaystakeawalkaftersupper.Ø.Shewritestomeveryoften.Ø.Tomandhisgi
4、rlfriendgoouttotakeapicenicoccasionally.(3)表客观真理，格言警句或事实：Ø.Theearthmovesroundthesun.Ø.Thesunrisesintheeastandsetsinthewest.Ø.Twoandtwomakesfour.Ø.Nomanbuterrs.人非圣贤，熟能无过。(4)表将来：A.在由when,after,before,as,assoonas,although,because,if,evenif,incase,till,until,unless,
5、solongas,where,whatever,wherever等引导的状语从句中用一般现在时表将来发生的动作。（黄金重点，所有考试都不放过它！）例如：Ø.I’lltellherwhenshecomestomorrow.Ø.Evenifitrainsthisafternoon,I’llmeetyou.Ø.Whateverhappens,youshouldkeepcool-headed.（不错的句型，背下！！）Ø.I’llberightherewaitingforyouwhereveryougo.（很感人的句型！）B.按
6、时间表示将要发生的动作或事件，用一般现在时表达将来时概念。Ø.Theplaybeginsat6:30thisevening.Ø.Whendoestheplanetakeoff?Ø.Heleavesforthatcitynextweek.Ø.Accordingtothetimetable,theexpresstraintoShanghaistartsatnineinthemorning.（按照时刻表，开往上海的特快列车早上7点出发。）测试精编：1.TheBrowns_______anicecarandbrown’sbro
7、ther_______anicejeep.A.have/haveB.has/hasC.have/hasD.has/have2.Iftheirhouse_______notlikeours,what_______itlooklike?A.is/isB.is/doesC.does/doesD.does/is3._______youthinkhewillcome?Ifit_______tomorrow,hewillnotcome.A.Do/rainsB.Are/rainsC.do/willrainD.Are/willrain
8、4.Thelittlechild_______notevenknowthatthemoon_______aroundtheearth.A.do/moveB.do/movesC.does/movesD.did/moved5.Manyastudent_______fondoffilms,butagoodstudentseldom___
