八种时态介绍一，一般现在时态：表示现在经常发生或习惯性的动作。时间状语：every…,sometimes,always,never,often,usually等。1由be的isamare表示，之后接名词，形容词或介词。陈述句：Iamanofficeworker.Heissolazy.Theyareathomenow.否定句：IamnotTim.Sheisnotverybeautiful.Theyarenotintheoffice.一般疑问句：Areyouanofficeassistant?Isshebeautiful?特殊疑问句：Whatisyourjob?Whatcolourisyourbag?Whereareyounow?2由实意动词V构成，引导疑问句和否定句，用do或don’t。第三人称时用does或doesn’t,有does出现动词用原形；第三人称陈述句V后加s或es.陈述句：IworkinShanghai.Heworksathome.DavyneverwatchesTVathome.否定句:Idon’tlikethefoodinKFC.Davydoesn’tlikethefoodinKFCeither.一般疑问句:Doyouwantacupofcoffee?Doesshelivenearthesubwaystation?特殊疑问句：Whatdoyouwant?Wheredoesshelive?Howdotheygotowork?3由情态动词can,must,may构成。may没有否定形式。陈述句:Icandriveacar.Hemusttellthetruth.Wemaygetthereonfoot.否定句：Ican’tswimatall.Youmustn’t（表示禁止）smokeintheoffice.一般疑问句:Canyouwaitaminute?MustIstayathome?MayIuseyourphone?特殊疑问句：HowcanIgetthere?WhatmustIdonow?二一般过去时态。在过去时间里所发生的动作或存在的状态。时间状语有：yesterday,lastweek,anhourago，thedaybeforeyesterday,in1997。1由be的过去式是was或were表示。Is\am---was;are---were.陈述句：Iwasabigboss.Hewasbeautiful.WewereinBeijinglastyear.否定句:Iwasnotathomeatthatmoment.Wewerenotatworkyesterday.一般疑问句:Wereyouateacher?Wassheintheofficelastweek?特殊疑问句：Wherewereyoulastnight?Whenwereyouinthatcompany?2由V的过去式构成陈述句，疑问句和否定句用借助于did,有did出现动词用原形。陈述句：IworkedinSunmoon.WestudiedEnglishthere.HelivedinHongKong.否定句:Ididn’tworkhere.Theydidn’tseeme.ShelikedEnglishalot.一般疑问句:DidyougotoAmerica?DidheworkinSunmoon?特殊疑问句：Wheredidyouwork?Whatdidhesaytoyou?Howdidyouknowmyname?3由情态动词的过去式构成，can—could.Shecouldwalkwhenshewasoneyearold.IcouldnotspeakEnglishoneyearago.三一般将来时态：即将发生动作或状态。时间状语有：tomorrow,nextyear,themonthafternext,intwohours.1任何人称+will+动词原形.IwillflytoKongKongtomorrow.Hewillgowithus.WewillarriveinShanghainextweek.Iwillneverbelieveyouagain.Hewillnotcometonight.Wewillnotbuyacarnextyear.Willyougotherebytrain?Willhecometomorrow?Willtheyliveafive-starhotel?Whatwillyoudoafterclass?Wherewillhelive?Howwilltheycomehere?2is/am/are+goingto+V原形，表示计划打算做什么事情。I’mgoingtogotoKongkongbyair.Wearenotgoingtobuyahousehere.Aretheygoingtochangetheirjobs?Howareyougoingtotellhim?四过去将来时态；在过去将会发生的动作。构成：任何人称+would+V原形was/weregoingto+V原形HesaidhewouldcomeininShanghai.IsayIwouldbuyyouacaroneday.Theytoldmethattheywerenotgoingtogoabroad.五现在进行时态：表示现在(指说话人说话时)正在发生的事情。常用的时间的动作：now,atthe（this）moment构成：is/am/are+VingI’mwaitingformyboyfriend.Heisdoingthehouseworkathomenow.Heisnotplayingtoys.Weareenjoyingourselves.Areyouhavingdinnerathome?IsTimcookinginthekitchen?Whatareyoudoingnow?Wherearetheyhavingameal?六过去进行时态：过去一段时间正在发生的动作。构成：was/were+VingIwasdoingmyhomeworkatthattime.Hewasnotsleepingat11o’clocklastnight.Whatwereyoudoingatthatmoment?Wewerehavingapartywhilemyneighbourissleeping.七现在完成时态：用来表示之前已发生或完成的动作或状态，其结果的确和现在有联系。动作或状态发生在过去但它的影响现在还存在；也可表示持续到现在的动作或状态。简单的说，就是动作已经发生对现在造成明显的影响。常用的时间fortwo/weeks/years；forseveraldays；since2004/Apr.23/lastweek/theaccident构成：have/has+done（过去分词）IhavealreadytoldDavy.Davyhasknownthismatter.Hehaslivedherefornearly10years.Ihaven’tfinishedmyhomework.Timhasn’tcomeyet.Wehaven’theardanynewsabouthimHowlonghaveyouworkedinthiscompany?特别注意：1．have/hasalwaysbeen+名词/形容词/介词：总是或一直是什么样子。。。Hehasalwaysbeenagoodfather.Ihavealwaysbeenbusy.TheyhavealwaysbeeninAmerica.2have/hasbeento:表示去过或到过。。。IhavebeentoCanada.HaveyoubeentoHongkong?Wherehaveyoubeen?Ihaveneverbeenhere.3have/hasgoneto:去了。。。HehasgonetoBeijing.Theyhavegonetothecinema.八过去完成时态：发生在过去的过去。构成：had+doneHesaidhehadtoldDavy.Theytoldustheyhadfinishedthework.Shehadhaddinnerbeforeshewentout.HelefttheofficeafterhehadcalledDavy.
