基本時(shí)態(tài)構(gòu)成時(shí)態(tài)語(yǔ)態(tài)主動(dòng)被動(dòng)1一般現(xiàn)在時(shí)V/do/doesIs/am/aredone2現(xiàn)在進(jìn)行時(shí)BedoingIs/am/arebeingdone3現(xiàn)在完成時(shí)Have/hasdoneHave/hasbeendone4一般過去時(shí)VedWas/weredone5過去完成時(shí)HaddoneHadbeendone6過去進(jìn)行時(shí)Was/weredoingWas/werebeingdone7一般將來時(shí)Will/shalldoWill/shallbedone現(xiàn)在完成時(shí)與過去完成時(shí)_ThePastPerfectTense過去完成時(shí)態(tài)現(xiàn)在完成時(shí)與過去完成時(shí)_1.現(xiàn)在完成時(shí)態(tài)表示過去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果

Ourteacherhasleft.WehavestudiedEnglish.Ihavealreadyfinishedthehomework.Hehashadhislunch.Hehasbecomeadoctor.have/has+過去分詞現(xiàn)在完成時(shí)與過去完成時(shí)_2.某個(gè)動(dòng)作從過去已經(jīng)開始,一直持續(xù)到現(xiàn)在,還有可能持續(xù)到將來.動(dòng)作的持續(xù)性要通過一段時(shí)間來表示.一段時(shí)間的表達(dá)方法有兩種:for:+一段時(shí)間forayearfortwoweeksforthreeyearsSince過去的某一時(shí)刻,sinceninesincelastweek

一般過去時(shí)態(tài)的時(shí)間狀語(yǔ)從句

sinceyoucamesinceyougothome.注意:for和since所引導(dǎo)的時(shí)間狀語(yǔ)都表示一段時(shí)間.Hehasbeenawaysincelastweek.Hehasbeenawayforoneweek.對(duì)劃線部分提問都用Howlong現(xiàn)在完成時(shí)與過去完成時(shí)_現(xiàn)在完成時(shí)：助動(dòng)詞have/has+過去分詞過去完成時(shí)：助動(dòng)詞had+過去分詞

構(gòu)成？現(xiàn)在完成時(shí)與過去完成時(shí)_

我認(rèn)識(shí)他三年了。

Ihaveknownhimfor threeyears.

IhadknownhimwhenI wasastudent.我當(dāng)學(xué)生時(shí)，就已經(jīng)認(rèn)識(shí)他了。hadknown

haveknown

was現(xiàn)在完成時(shí)與過去完成時(shí)_

我已經(jīng)做完作業(yè)了。

表示在說話時(shí)已經(jīng)做完。Ihavefinishedmyhome-work.現(xiàn)在完成時(shí)與過去完成時(shí)_

在六點(diǎn)以前，我就已經(jīng)完 成作業(yè)了。Bysixo’clock,Ihadfinishedmyhomework.

表示在過去的某一段時(shí)間（sixo’clock以前）已經(jīng)做完作業(yè)，與現(xiàn)在無關(guān)。現(xiàn)在完成時(shí)與過去完成時(shí)_

他們已經(jīng)吃過早飯了。

在他們到旅館之前他們已 經(jīng)吃過早飯了。Theyhavealreadyhadbreakfast.Theyhadalreadyhadbreakfastbeforetheyarrivedatthehotel.現(xiàn)在完成時(shí)與過去完成時(shí)_

我從未看過如此令人興奮 的比賽

他說他從未看過如此令人 興奮的比賽。Ihaveneverseensuchanexcitingmatchbefore!Hesaidthathehadneverseensuchanexcitingmatchbefore!現(xiàn)在完成時(shí)與過去完成時(shí)_過去完成時(shí)與現(xiàn)在完成時(shí)二者用法基本相同，但現(xiàn)在完成時(shí)以現(xiàn)在時(shí)間為基點(diǎn)，過去完成時(shí)則以過去的時(shí)間為基點(diǎn)，與現(xiàn)在無關(guān)，即過去的過去。過去完成時(shí)常用于賓語(yǔ)從句中;

Summary現(xiàn)在完成時(shí)與過去完成時(shí)_結(jié)構(gòu)：助動(dòng)詞had+p.p.(過去分詞)用法：表示過去某一時(shí)間和動(dòng)作之前已經(jīng)發(fā)生或完成了的動(dòng)作或一直持續(xù)的動(dòng)作(過去的過去)。

Bytheendoflastterm,wehadlearned600Englishwords.Hesaidhehadfinishedhishomework.Thefilmhadalreadybegunwhenwegottothecinema.IhadstudiedEnglishbeforeIcamehere.WhenIcametoGZ,hehadbeenthereforalongtime.現(xiàn)在完成時(shí)與過去完成時(shí)_過去完成時(shí)態(tài)的標(biāo)志：和by+過去時(shí)間點(diǎn)連用,如：

bythetime,bythen,bylastyear,bytheendoflastyear/month…,byfiveo’clockyesterdayevening…Bytheendoflastterm,they____________(learn)10Englishwords.2.和before+過去時(shí)間點(diǎn)連用We____________(arrive)thestationbeforeteno’clock.hadarrived3.常用于賓語(yǔ)從句中Shesaidthatshe______________(write)threee-mails.hadwritten現(xiàn)在完成時(shí)與過去完成時(shí)_4.和when,before,after,assoonas,until/till等引導(dǎo)的狀語(yǔ)從句連用或用于從句中

Theairplane_______already_______(leave)whenIgottotheairport.5.根據(jù)上下文判斷

IwenttoLiHong’shouse,buthe____________(go)out.hadlefthadgoneLastnight,assoonasI_______________

(finish)mywork,Iwenttosleep.hadfinished現(xiàn)在完成時(shí)與過去完成時(shí)_Fillineachblankwiththeproperverbform:Hesaidthathe___________(write)thatletter.Beforehearrived,thetrain__________(leave).Bythen,they____________(work)foreighthours.Whenshegottothecinema,thefilm____already____(be)onfor15minutes.Marytoldmeshe___________(meet)mymotherbefore.Bysixo’clockyesterdayevening,I____________(finish)myhomework.IwenttoLiHong’shouse,buthe____________(go)out.We__________(arrive)atthestationbeforetwoo’clock.hadwrittenhadlefthadworkedhadbeenhadmethadfinishedhadgonehadarrived現(xiàn)在完成時(shí)與過去完成時(shí)_1.Afterhe______________(finish)hiswork,hewentout.finished2.Annietoldmethathisfather____________(go)toParisandhe____________(come)backinafewdays.hadgonewouldcome3.Myfriend__________(buy)thecartwoyearsago.He_____________(have)itfortwoyears.boughthashadFillineachblankwiththeproperverbform:4.Beforetheyarrivedhere,thefilm_________already___________(start).hadstarted現(xiàn)在完成時(shí)與過去完成時(shí)_Fillineachblankwiththeproperverbform:A:________you___________(finish)yourhomework?B:Yes,Ihave.A:Whathadyoudonebeforeyoufinishedyourhomework?B:I_____________(watch)TV.A:What______you_______(do)now?B:I_____________(write)alettertomyfriendTom.A:_____youoften________(write)tohim?B:Yes.Andheoften________(write)tome.I_______(get)aletterfromhimyesterday.SoI____________(answer)hisletternow.A:When________you________(post)it?B:I_________(post)itassoonasI________(finish)writing.HavefinishedhadwatchedaredoingamwritingDowritewriteswillpostgotamansweringwillpostfinish現(xiàn)在完成時(shí)與過去完成時(shí)_1.過去完成時(shí)態(tài)的肯定式，否定式，疑問式和簡(jiǎn)短回答：Ihadhadmybreakfastbeforesixo’clockthismorning.Ihadn’thadmyhomeworkbeforesixo’clockthismorning

Hadyouhadyourbreakfastbeforesixo’clockthis…?Yes,Ihad.No,Ihadn’t.Shehadleftwhengotthere.Shehadn’tleftwhenIgotthere.Hadsheleftwhen