文档介绍：新概念英语语法大全新概念语法精粹GuidetoNewConceptEnglishGrammar第一章英语动词时态(Tenses)英语时态是英语语法中的第一道难关,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。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shallshallshallshallwillplaywillbeplayingwillhaveplayedwillhavebeenplaying过去将来shouldwouldplayshouldwouldbeplayingshouldwouldhaveplayedshouldwouldhavebeenplaying一、一般现在时::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”:(1)表现在的事实、状态或动作:eg:►.Birdsfly.►.Shelovesmusic.►.Mary'sparentsgetupveryearly.(2)表****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:►.Ialwaystakeawalkaftersupper.►.Shewritestomeveryoften.►.asionally.(3)表客观真理,格言警句或事实:►.Theearthmovesroundthesun.►.Thesunrisesintheeastandsetsinthewest.►.Twoandtwomakesfour.►.,熟能无过。(4)表将来:,after,before,as,assoonas,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:►.I'estomorrow.►.Evenifitrainsthisafternoon,I'llmeetyou.►.Whateverhappens,youshouldkeepcool-headed.(不错的句型,背下!!)►.I'llberightherewaitingforyouwhereveryougo.(很感人的句型!),用一般现在时表达将来时概念。►.Theplaybeginsat6:30thisevening.►.akeoff?►.Heleavesforthatcitynextweek.►.Accordingtothetimetable,theexpresstraintoShanghaistartsatnineinthemorning.(按照时刻表,开往上海的特快列车早上7点出发。)'//,what________itlooklike?//is3.-e?-Ifit________tomorrow,////,//:is/am/are+现