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一般现在时用法：经常性的和习惯性的动作常用时间状语：usually,sometimes,inspring,everyday,onceamonth,onSundays构成：①主语+be+其他②主语+动词原形+其他（第三人称单数作主语动词要加s)否定构成：①主语+be+not②don’t+动原\doesn’t+动原一般现在时的用法1)经常性或习惯性的动作，常与表示频度的时间状语连用。Ileavehomeforschoolat7everymorning.2)客观真理，客观存在，科学事实。Theearthmovesaroundthesun.ShanghailiesintheeastofChina.3)表示格言或警句中。WhenyouareinRome,doastheRomansdo.Lighttravelsfasterthansound.4)表示主语具备的能力、性格、个性。Ilikesinging.AnnwritesgoodEnglishbutdoesnotspeakwell.Shelookslikehersister.5）在时间，条件状语从句中，用一般现在时表示将来Ifitrainstomorrow,wewon’t(willnot)gotothepark.WhenIgrowup,IwillgotoAmerican.()1-_____theyoften___theseoldmen?-Yes,they___.A.Do;help;areB.Are;helping;areC.Do;help;doD.Are;helped;are()2Theyusually_____TVintheevening.A.watchB.willwatchC.arewatchingD.watches()3Thesun___intheeastand___inthewest.A.raises;setB.rise;setsC.rises;setsD.rises;set练习c现在进行时用法：说话时正在进行的动作或当前一段时间正在进行的动作常用时间状语：now,thesedays动词构成am/is/are+现在分词(--ing)否定构成：am/is/are+not+现在分词一般疑问构成Am/Is/Are+主语+现在分词+其它？现在进行时的基本用法：a.表示现在(指说话人说话时)正在发生的事情。Wearewaitingforyou.b.表示现阶段正在进行的动作或存在的状态Theyarestudyinghardthisterm.Wearepickingapplesonafarmthesedays.c.表示渐变的动词有：get,grow,become,turn,run,go,begin等。Theleavesareturningred.It’sgettingwarmerandwarmer.d.与always连用。表示经常反复的动作。含有赞扬或厌恶的意思。Heisalwayshelpingothers.(赞扬）Thatsonofyoursisalwaysmakingtrouble.(厌恶）e.go,come,leave,arrive,return,die等的进行时可表示明确安排好了不久将要发生的动作.这是表示最近打算的最常用的表达方式。WeareleavingonFriday.Areyougoinganywheretomorrow?()1______you___yourhomeworknow?A.Do;doingB.Are;doingC.Were;doingD.Does;do()2___yourmother___shoppingatthemoment?A.Are;doingB.Is;doingC.Is;takingD.Are;taking()3___thechildren___theradio?A.Is;listeningB.Is;listeningtoC.Are;listeningtoD.Are;listening练习用法：将来发生的动作或存在的状态常用时间状语：thisevening,tomorrow,nextmonth,inafewminutes,attheendofthisterm动词构成:1,will/shall+动原2,am/is/aregoingto+动词原型否定构成：will/shallnot…am/is/arenot…备注：在if条件或assoonas等时间状语从句中用一般现在时代替一般将来时。Let’sfinishtheworkbeforeitisdark.让我们在天黑之前把所有活做完。一般将来时1)shall用于第一人称，常被will所代替。will在陈述句中用于所有人称WhichparagraphshallIreadfirst.我先读哪一段？Wewillgettheretomorrow.Iwillgraduatefromthisschoolsoon.2)begoingto+动词原形，表示打算或准备要做的事情。Iamgoingtodosomewashingthisevening.Theplayisgoingtobeproducednextmonth.3)有迹象要发生的事Lookatthedarkclouds,Itisgoingtorain.4)beaboutto+不定式，意为马上做某事。HeisabouttoleaveforBeijing.注意：beaboutto不能与tomorrow,nextweek等表示明确将来时的时间状语连用一()1Lookattheclouds.___.A.It'sgoingtorainB.It'llberainingC.ItwillberainedD.Ifitrains()2There___twoEnglishfilmsnextweek.A.isgoingtobeB.aregoingtohaveC.willhaveD.aregoingtobe()3Thereisgoingto___avolleyballmatchonourschoolplayground.Thematchisgoingto___atsixthisevening.A.have;beB.be;haveC.be;beD.have;have练习用法：过去时间发生的或过去经常性的动作或存在的状态常用时间状语：yesterday,lastnight,twodaysago,inthepast,in2000,atthattime,justnow动词构成：动词过去时（--ed）否定构成：didn’t+动原一般疑问构成及简答举例：Did+主语+动原+其它？特殊疑问句举例：Whatdidhedoyesterday?Whendidhegetupthismorning?备注：Hehasopenedthedoor.（表示过去“开门”的动作对现在的影响是门还开着）Heopenedthedoor.(不能确定门现在是否开着)一般过去时的用法1）在确定的过去时间里所发生的动作或存在的状态。Wheredidyougojustnow?HewenttoBeijingwithhisfatherlastSunday.2）表示在过去一段时间内，经常性或习惯性的动作。WhenIwasachild,Ioftenplayedfootballinthestreet.WhenTomwasyoung,healwaysaskedmanystrangequestions.()1_____hereandaskhimaboutityesterday?A.DidyoucomeB.WouldyounotgoC.Youdidn'tcomeD.Aren'tyougo()2___he___agoodtimelastSunday?A.Were;wereB.Did;doC.Did;hasD.Did;have()3ThestudentshardlystudiedtheEnglishlanguage,___they?A.didB.didn'tC.wereD.weren't练习用法:1、过去发生的动作对现在造成的影响或结果常与.already,just,neverever,yet等时间状语连用already用于肯定句，可放助动词之后，也可放在句末。IhavealreadywatchedtheTVplay.yet常放句末，在疑问句中表示“已经”否定句中表“还”Hasthebossleftyet?Haveyoufoundyourlostpenyet?No.Ihaven’tfoundityet.2、从过去一直延续到现在的动作,也许还要持续下去常用与for,since连用since+时间点,for+段时间构成：have/has+过去分词否定构成have/hasnot+过去分词一般疑问构成：Have/Has+主语+过去分词…?备注：暂时性动词不能与for…,since…,Howlong…等表示段时间的短语同时使用。比较过去时与现在完成时1）过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作；现在完成时为过去发生的，强调过去的事情对现在的影响，强调的是影响。2）过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。一般过去时的时间状语:yesterday,lastweek，…ago,in1980,inOctober,justnow,具体的时间状语现在完成时的时间状语for,since,sofar(至今）,just，ever,never,just,yet,uptonow,inpastyears,already,()1______you___thenovelthatIlentyoulastweek?A.Did;finishB.Have;finishedC.Are;finishedD.Do;finish()2He___inourschoolfor20yearsandhe___herein1977.A.hastaught;cameB.hastaught;hascomeC.taught;cameD.hasteached;hascame()3Theyarelate.Thefilm___forfiveminutes.A.hasbegunB.hasstartedC.hasbeenonD.began练习用法：过去某一时刻或某一段时间内正在发生的动作常用时间状语：atthistimeyesterday,atthattime,thenatteno’clockyesterday或when引导的从句动词构成：was/were+现在分词(--ing)否定构成：was/werenot+现在分词特殊疑问句举例：Whatwereyoudoingthistimeyesterday?Wherewashestandingwhentheteachercamein?()1___theBlacks___TVatsevenyesterday?A.Did;watchB.Are,watchingC.Were;watchingD.Do;watch()2Thescientist___awalkinhisgardenatfourlastSunday.A.wastakingB.wouldtakeC.tookD.wastaken()3What___fromninetotenlastnight?A.didyoudoB.hadyoudoneC.haveyoudoneD.wereyoudoing练习用法：从过去某时间来看将要发生的动作或状态，常用于宾从常用时间状语：thenextweek等动词构成：1、would/should+动原2、was/weregoingto+动原3、was/were(about)to+动原一般疑问构成：常用if或whether引导宾从特殊疑问句举例：Heaskedwhattheywoulddothenextweek.动词构成:had+过去分词(--ed)用法：1、过去某时间或动作之前完成的动作或状态(过去的过去)。Hehadgotupbeforesixo’c