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1、动词时态和语态考点一一般现在时与现在进行时一般现在时:构成:主语+动词原形或第三人称单数形被动语态:主语+am/is/are+过去分词(1)一般现在时强调经常性、习惯性的动作或永久性的状态。—Icalledyoulastnight,butnobodyanswered.—Oh,Iusuallyswitchoffmycellphoneby8:00p.m..(2)可表示客观真理、科学事实。Thesunrisesintheeastandsetsinthewest.(3)在时间状语从句和条件状语从句中,从句中常用一般现在时。Willyouhelpmetolookforanimport
2、antfileIleftinmyofficethismorningimmediatelyyouarrive?(4)表示按计划、时刻表规定要发生的动作,但限于少数动词。如begin,come,leave,go,arrive,start,stop,return,open,close等。Theflighttakesoffat2:30everyWednesdayandFriday.(5)在here,there引导的倒装句中,常用一般现在时代替现在进行时Herecomesthetrain!=Thetrainiscoming!Theregoesthebell!=Thebellisrin
3、ging.现在进行时:构成:主语+am/is/are+动词的现在分词被动语态:主语+am/is/are+being+过去分词(1)现在进行时表示说话时正在发生着的一个动作;Teenagersaredamagingtheirhealthbecausetheyplaycomputergamestoomuch.(2)表示现阶段但不一定是发生在讲话时的一个动作Howareyougettingonwithyourwork?(3)表近期特定的安排或计划常用于go,come,leave,start,arrive,stay,meet,play等表示起止动作的动词可用进行时代替将来时。Iam
4、leavingforShanghaitomorrow.(4)与always,often,constantly,frequently,forever等副词和现在进行时连用,表达说话人的某种感情,即“赞扬”或“厌恶”等,可译为“老是、总是”。Tomisalwayscominglateformeetings.(2013·高考新课标全国卷Ⅰ)Ifwe_____nowtoprotecttheenvironment,we’lllivetoregretit.A.hadn’tactedB.haven’tactedC.don’tactD.won’tact(2013·高考湖南卷)Aroundt
5、woo’clockeverynight,Suewillstarttalkinginherdream.Itsomewhat________us.A.bothersB.hadbotheredC.wouldbotherD.bothered(2012·高考新课标全国卷)“Lifeislikewalkinginthesnow”,Grannyusedtosay,“becauseeverystep________.”A.hasshownB.isshowingC.showsD.showed(2013·高考天津卷)Thewatersupplyhasbeencutofftemporarilyb
6、ecausetheworkers________oneofthemainpipes.A.hadrepairedB.haverepairedC.repairedD.arerepairing考点二现在完成时和一般过去时I现在完成时:构成:主语+have/has+动词的过去分词被动语态:主语+have/has+been+过去分词主要强调“过去”和“现在”的关系,须注意下面几点:(1)过去发生的某一动作对现在造成的影响或结果,句中常有already,just,never,ever,since,lately,recently,,inthepast+一段时间,for,sofar等状语T
7、hedelegationhasalreadyleft.We’veatlastpaidoffallourdebts.(2)从过去开始,持续到现在的动作或状态常用于延续性动词如;be;know;live等I’veknownhimforthreeyears.Theyhavebeenonstrikeforseveralweeks.(3).最高级+名词”或“Itisthe+序数词+time”后的固定句型中。ThisisthemostinterestingbookthatIhaveeverread.Itisthesecondt