資源描述:
《現(xiàn)在完成時(shí)態(tài)專講.doc》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、現(xiàn)在完成時(shí)態(tài)專講總的來說,兩概念·兩注意·兩特別a.構(gòu)成(形式)have/has+過去分詞常縮寫為’ve’shaven’t=havenothasn’t=hasnotEg.Ihavealreadyseenthisfilm.-----Haveyouseenthisfilmyet?(一般疑問句)Yes,Ihave.No,Ihaven’t.Ihaven’tseenthisfilmyet.(否定句)LiLeihasfinishedhishomework..-----HasLiLeifinishedhishomework?(一般疑問句)Ye
2、s,hehas.No,hehasn’t.LiLeihasn’tfinishedhishomework..(否定句)b.兩概念1.表示過去已經(jīng)發(fā)生或已經(jīng)完成的某一動(dòng)作對(duì)現(xiàn)在產(chǎn)生的影響或結(jié)果(強(qiáng)調(diào)對(duì)現(xiàn)在造成的影響).標(biāo)志:already(已經(jīng)),yet(尚未),never,ever(曾經(jīng)),just(剛剛),duringthepast(last)threeyears(在過去的三年里),howmanytimes,howlong,sofar(目前),etc.Eg.I’vealreadypostedthephotos.(我已經(jīng)把照片寄出去
3、了,照片不在這里了)I’veseenthisfilm.(現(xiàn)在還記得內(nèi)容)4Isawthisfilmlastweek.(上星期看了,與現(xiàn)在無關(guān))1.表示過去已經(jīng)開始,一直延續(xù)到現(xiàn)在的動(dòng)作或狀態(tài).標(biāo)志:(1)for+一段時(shí)間eg.IhavetaughtEnglishfortenyears.(2)since+時(shí)間點(diǎn)或表示過去的時(shí)間狀語從句eg.Hehaslivedheresince1998.Ihaveworkedinthisfactorysincehecamehere.(3)since+一段時(shí)間+agoeg.Ihaveknownhim
4、since20yearsago.(4)eversince(從那時(shí)起,自那時(shí)以來)eg.Sheleftschoolthreeyearsagoandhasworkedasanurseeversince.她三年前畢業(yè),從那時(shí)起一直當(dāng)護(hù)士Wehavebeenfriendseversincewemetatschool/since1998.自從我們?cè)趯W(xué)校認(rèn)識(shí)后,就一直是好朋友a(bǔ).兩注意1.與一段時(shí)間連用,只能用延續(xù)性動(dòng)詞,不能用瞬間動(dòng)詞Eg.I‘vearrivedinBeijingforhalfayear.(×)I’vebeeninBeij
5、ingforhalfayear.(ˇ)我們所學(xué)過的瞬間動(dòng)詞有,come,go,arrivein(at),4reach(到達(dá)),get,leave,finish,end,buy,sell,borrow,die(死亡),marry(嫁,娶),begin(start),join(加入)我們所學(xué)過的延續(xù)性動(dòng)詞有,be,have,know(認(rèn)識(shí)),live,work,teach,learn,study,keep(借),dead(死的),bemarriedtosb(與某人結(jié)婚),beengaged(訂婚),beengagedtosb(與某人
6、訂婚)瞬間動(dòng)詞與一段時(shí)間連用是要用相應(yīng)的延續(xù)性動(dòng)詞來代替come(arrive,getto,reach)----be(in),go(leave)---beaway(from)end(finish)---beover,buy----have,borrow----keep,die---bedead,join---bein(beamemberof)begin(start)----beon(上映)1.現(xiàn)在完成時(shí)態(tài)是屬于現(xiàn)在的時(shí)態(tài)范圍,不能與表示過去的時(shí)間連用Eg.yesterday,lastweek,threeyearsago,in19
7、86,etc.(1)He_________(live)heresince1972.He_________(live)herein1972.(2)He_________(teach)inthisschooltwoyearsago.He_________(teach)inthisschoolsincetwoyearsago.a.兩特別1.在否定句中,瞬間動(dòng)詞可以與一段時(shí)間連用Eg.Ihaven’theardfrom(seen)youforalongtime.4我有很長時(shí)間沒有收到你的信了(看見你了)Shehasn’tboughtan
8、ythingfortwomonths.她已經(jīng)有兩個(gè)月沒買東西了1.have/hasbeento與have/hasgonetohave/hasbeento(曾經(jīng)去過某地,現(xiàn)在已經(jīng)回來了)have/hasgoneto(去了某地,還沒回來)eg.----Whereis