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1、八年級(jí)下時(shí)態(tài)總結(jié)1.過(guò)去進(jìn)行時(shí)助動(dòng)詞:_______肯定句:______________否定句:______________一般疑問(wèn)句:___________放句首例如:昨天8點(diǎn)我正在做作業(yè).__________________________當(dāng)他回到家時(shí)我正在聽(tīng)音樂(lè).__________________________was/werewas/were+doingwasn’t/weren’t+doingwas/wereIwasdoinghomeworkat8yesterday.Iwaslisteningtomusic
2、whenhecamehome.2.現(xiàn)在完成時(shí)助動(dòng)詞:_______肯定句:______________否定句:______________一般疑問(wèn)句:_________放句首例如:他已經(jīng)完成工作.__________________________我還沒(méi)吃午飯.__________________________have/hashave/has+動(dòng)詞過(guò)去分詞have/hasHehasfinishedtheworkalready.Ihaven’thadlunchyet.haven’t/hasn’t+動(dòng)詞過(guò)去分詞語(yǔ)法要點(diǎn)
3、1現(xiàn)在完成時(shí)：構(gòu)成：have/has+動(dòng)詞的過(guò)去分詞常用的時(shí)間狀語(yǔ)有：for+一段的時(shí)間,since+表示起點(diǎn)的時(shí)間______twodays_____20yearsago_______lastweek_____30hours常用的副詞有：already,yet,never,ever,just，lately,recentlyforsincesincefor判斷下列詞語(yǔ)哪些可以 和現(xiàn)在完成時(shí)連用(yes/no)：alreadyLastweekjustFor3daysyesterdayNextyearSince1992e
4、verSincelastSundayyetneverIn5hoursbeforeSince3daysagoyesyesyesyesyesyesyesyesyesyesNoNoNoNo難點(diǎn)解析現(xiàn)在完成時(shí)表示過(guò)去發(fā)生或已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果。1）表示過(guò)去的動(dòng)作剛剛結(jié)束，常與just,already,ever,never,yet,before連用。他已經(jīng)回到家了。Hehasalreadygonehome.她還沒(méi)找到一份工作。Shehasn’tfoundajobyet.他剛剛關(guān)掉了燈。Hehasjustturn
5、edoffthelight.難點(diǎn)解析2)表示過(guò)去的結(jié)果對(duì)現(xiàn)在仍有影響，通常不與時(shí)間狀語(yǔ)連用。他們輸?shù)袅四菆?chǎng)比賽。Theyhavelostthegame.他買(mǎi)了電腦。Hehasboughtthecomputer.3）.表示開(kāi)始于過(guò)去并持續(xù)到現(xiàn)在（也許還會(huì)繼續(xù)進(jìn)行下去）的動(dòng)作或狀態(tài)。1）表示動(dòng)作的持續(xù)，常與“____+時(shí)間段”“________+時(shí)間起點(diǎn)”連用。他到珠海兩年多了。HehasbeeninZhuhaiforovertwoyears.從三年前開(kāi)始，我就認(rèn)識(shí)他了。Ihaveknownhimsincethreeye
6、arsago.2)在現(xiàn)在完成時(shí)中，瞬間動(dòng)詞必須改為相應(yīng)的表示延續(xù)意義的動(dòng)詞或詞組才可以與表示一段時(shí)間的時(shí)間狀語(yǔ)連用。Shehashadthecarforayear.HisfatherhasbeenawayfromChinafor5years.forsince現(xiàn)在完成時(shí)的疑問(wèn)？格式:________________助動(dòng)詞:__________瞬間動(dòng)詞與持續(xù)動(dòng)詞:瞬間動(dòng)詞可以用于完成時(shí)嗎?什么時(shí)候不可以用瞬間動(dòng)詞?die?borrow?buy?arrivein?他已經(jīng)買(mǎi)了那本書(shū).___________________他買(mǎi)
7、了那本書(shū)三天了.________________________________什么情況是例外?他三天都沒(méi)買(mǎi)任何東西.___________________________________have/has+過(guò)去分詞havehasbedeadkeephavebeinHehasboughtthatbook.Hehashadthatbookforthreedays.Hehasn’tboughtanythingforthreedays.句型:1.去過(guò):2.去了:3.一直在:例如:他去過(guò)香港三次.他去了香港.他在香港三年了.h
8、ave/hasbeentohave/hasgonetohave/hasbeenin,atHehasgonetoHongKong.HehasbeentoHongKongforthreetimes.HehasbeeninHongKongforthreeyears.短暫性動(dòng)詞延續(xù)性動(dòng)詞arrivehas/havebeenbeginhavebeenon
