新东方在线新概念英语网络课堂新概念语法精粹GuidetoNewConceptEnglishGrammar（二册初级班）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shallwillplayshallwillbeplayingshallwillhaveplayedshallwillhavebeenplaying过去将来shouldwouldplayshouldwouldbeplayingshouldwouldhaveplayedshouldwouldhavebeenplaying一、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”goesdresseswatchesbrushes2．功能：（1）表现在的事实、状态或动作：eg:►.Birdsfly.►.Shelovesmusic.►.Mary'sparentsgetupveryearly.（2）表习惯性动作或职业，常与often，some，usually，always，everyweek，seldom，occasionally，frequently等时间副词连用。eg:►.Ialwaystakeawalkaftersupper.►.Shewritestomeveryoften.►.Tomandhisgirlfriendgoouttotakeapicnicoccasionally.（3）表客观真理，格言警句或事实：►.Theearthmovesroundthesun.►.Thesunrisesintheeastandsetsinthewest.►.Twoandtwomakesfour.►.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，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'lltellherwhenshecomestomorro►.Evenifitrainsthisafternoon,I'llmeetyou.►.Whateverhappens,youshouldkeepcool-headed.（不错的句型，背下！！）►.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。►.Theplaybeginsat6:30thisevening.►.Whendoestheplanetakeoff?►.Heleavesforthatcitynextweek.►.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'sbrother________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/willrain4.Thelittlechild________notevenknowthatthemoon________aroundtheearth.A.do/moveB.do/movesC.does/movesD.did/moved5.Manyastudent________fondoffilms,butagoodstudentseldom________tothecinemaA.are/goesB.is/goesC.are/goD.is/go二．现在进行时：is/am/are+现在分词1．表示现在正在进行的动作。如►.Thekettleisboiling.ShallImaketea?►.Don'tyouthinkyoueattoomuch?You'reputtingonweight（体重增加）。►.Theworkersarebuildinganewbridgeacrosstheriver.2．表现阶段正进行的动作。►.Heistakingphysicsthissemester（本学期）。►.Wearepreparingforourfinalexaminationthisweek.3．go,come,leave,arrive,land,meet,die,start,return,join,etc.用于进行时态时表示即将开始的动作。►.Look!Thebusiscoming.看！车来了！►.Theoldmanisseriouslyill,andheisdying.►.AliceisleavingforBei激ngwithhermother.4．与always,forever,continually,constantly等副词连用，表示说话人带有感情色彩：赞赏或厌恶。►.Heisalwaysthinkingofothers.（他总是想着别人。）►.Theboyiscontinuallymakingnoises.（这男孩不断地发出吵闹声。）►.Theteacherisconstantly(al...