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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playplaysisamplayingarehashaveplayedhashavebeenplaying过去playedwaswereplayinghadplayedhadbeenplaying将来shallwillplayshallw
2、illbeplayingshallwillhaveplayedshallwillhavebeenplaying过去将来shouldwouldplayshouldwouldbeplayingshouldwouldhaveplayedshouldwouldhavebeenplaying 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
3、尾的动词加“es”goes dresses watches brushes2.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.
4、 Ø.Shewritestomeveryoften. Ø.Tomandhisgirlfriendgoouttotakeapicenicoccasionally.(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
5、,although,because,if,evenif,incase,till,until,unless,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-head
6、ed.（不错的句型，背下！！） Ø.I’llberightherewaitingforyouwhereveryougo.（很感人的句型！）B.按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,theexpresstraintoShangh
7、aistartsatnineinthemorning.（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’sbrother_______anicejeep. A.have/have B.has/has C.have/has D.has/have2.Iftheirhouse_______notlikeours,what_______itlooklike? A.is/is B.is/does C.d
8、oes/does D.does/is3._______youthinkhewillcome?Ifit_______tomorrow,hewillnotcome. A.Do/rains B.Are/rains C.do/willrain D.Are/willrain4.Thelittlechild_______notevenknowthatthemoon_______aroundtheearth. A.do/move
