八種時(shí)態(tài)介紹一，一般現(xiàn)在時(shí)態(tài)：表示現(xiàn)在經(jīng)常發(fā)生或習(xí)慣性的動(dòng)作。時(shí)間狀語(yǔ)：every…,sometimes,always,never,often,usually等。1由be的isamare表示，之后接名詞，形容詞或介詞。陳述句：Iamanofficeworker.Heissolazy.Theyareathomenow.否定句：IamnotTim.Sheisnotverybeautiful.Theyarenotintheoffice.一般疑問(wèn)句：Areyouanofficeassistant?Isshebeautiful?特殊疑問(wèn)句：Whatisyourjob?Whatcolourisyourbag?Whereareyounow?2由實(shí)意動(dòng)詞V構(gòu)成，引導(dǎo)疑問(wèn)句和否定句，用do或don’t。第三人稱(chēng)時(shí)用does或doesn’t,有does出現(xiàn)動(dòng)詞用原形；第三人稱(chēng)陳述句V后加s或es.陳述句：IworkinShanghai.Heworksathome.DavyneverwatchesTVathome.否定句:Idon’tlikethefoodinKFC.Davydoesn’tlikethefoodinKFCeither.一般疑問(wèn)句:Doyouwantacupofcoffee?Doesshelivenearthesubwaystation?特殊疑問(wèn)句：Whatdoyouwant?Wheredoesshelive?Howdotheygotowork?3由情態(tài)動(dòng)詞can,must,may構(gòu)成。may沒(méi)有否定形式。陳述句:Icandriveacar.Hemusttellthetruth.Wemaygetthereonfoot.否定句：Ican’tswimatall.Youmustn’t（表示禁止）smokeintheoffice.一般疑問(wèn)句:Canyouwaitaminute?MustIstayathome?MayIuseyourphone?特殊疑問(wèn)句：HowcanIgetthere?WhatmustIdonow?二一般過(guò)去時(shí)態(tài)。在過(guò)去時(shí)間里所發(fā)生的動(dòng)作或存在的狀態(tài)。時(shí)間狀語(yǔ)有：yesterday,lastweek,anhourago，thedaybeforeyesterday,in1997。1由be的過(guò)去式是was或were表示。Is\am---was;are---were.陳述句：Iwasabigboss.Hewasbeautiful.WewereinBeijinglastyear.was/weregoingto+V原形HesaidhewouldcomeininShanghai.IsayIwouldbuyyouacaroneday.Theytoldmethattheywerenotgoingtogoabroad.五現(xiàn)在進(jìn)行時(shí)態(tài)：表示現(xiàn)在(指說(shuō)話(huà)人說(shuō)話(huà)時(shí))正在發(fā)生的事情。常用的時(shí)間的動(dòng)作：now,atthe（this）moment構(gòu)成：is/am/are+VingI’mwaitingformyboyfriend.Heisdoingthehouseworkathomenow.Heisnotplayingtoys.Weareenjoyingourselves.Areyouhavingdinnerathome?IsTimcookinginthekitchen?Whatareyoudoingnow?Wherearetheyhavingameal?六過(guò)去進(jìn)行時(shí)態(tài)：過(guò)去一段時(shí)間正在發(fā)生的動(dòng)作。構(gòu)成：was/were+VingIwasdoingmyhomeworkatthattime.Hewasnotsleepingat11o’clocklastnight.Whatwereyoudoingatthatmoment?Wewerehavingapartywhilemyneighbourissleeping.七現(xiàn)在完成時(shí)態(tài)：用來(lái)表示之前已發(fā)生或完成的動(dòng)作或狀態(tài)，其結(jié)果的確和現(xiàn)在有聯(lián)系。動(dòng)作或狀態(tài)發(fā)生在過(guò)去但它的影響現(xiàn)在還存在；也可表示持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。簡(jiǎn)單的說(shuō)，就是動(dòng)作已經(jīng)發(fā)生對(duì)現(xiàn)在造成明顯的影響。常用的時(shí)間fortwo/weeks/years；forseveraldays；since2004/Apr.23/lastweek/theaccident構(gòu)成：have/has+done（過(guò)去分詞）IhavealreadytoldDavy.Davyhasknownthismatter.Hehaslivedherefornearly10years.Ihaven’tfinishedmyhomework.Timhasn’tcomeyet.Wehaven’theardanynewsabouthimHowlonghaveyouworkedinthiscompany?特別注意：1．have/hasalwaysbeen+名詞/形容詞/介詞：總是或一直是什么樣子。。。Hehasalwaysbeenagoodfather.Ihavealwaysbeenbusy.TheyhavealwaysbeeninAmerica.2have/hasbeento:表示去過(guò)或到過(guò)。。。IhavebeentoCanada.HaveyoubeentoHongkong?Wherehaveyoubeen?Ihaveneverbeenhere.3have/hasgoneto:去了。。。HehasgonetoBeijing.Theyhavegonetothecinema.八過(guò)去完成時(shí)態(tài)：發(fā)生在過(guò)去的過(guò)去。構(gòu)成：had+doneHesaid