初中現(xiàn)在完成時(shí)講解(完整版)

初中現(xiàn)在完成時(shí)講解(完整版)第一頁(yè)，共17頁(yè)。present(now)futurepast

PresentPerfectTense

現(xiàn)在完成時(shí)第一頁(yè)第二頁(yè)，共17頁(yè)。主語(yǔ)+have/has+過(guò)去分詞（pp）助動(dòng)詞,無(wú)意義

現(xiàn)在完成時(shí)的結(jié)構(gòu)Winter

has

already

come，willitstillbefarinspring?第二頁(yè)第三頁(yè)，共17頁(yè)。主語(yǔ)+have/has+過(guò)去分詞（pp）否定形式haven’t(havenot）+過(guò)去分詞

hasn’t(hasnot)+過(guò)去分詞疑問(wèn)句把助動(dòng)詞have/has放在句首

現(xiàn)在完成時(shí)的結(jié)構(gòu)注：主語(yǔ)若是第三人稱(chēng)單數(shù)助動(dòng)詞用has第三頁(yè)第四頁(yè)，共17頁(yè)。Youhaveplantedallthetrees.Ihaveplantedallthetrees.He/shehasplantedallthetrees.Theyhaveplantedallthetrees.

區(qū)別have和has的用法

主語(yǔ)若是第三人稱(chēng)單數(shù)助動(dòng)詞用has第四頁(yè)第五頁(yè)，共17頁(yè)。1)表示到現(xiàn)在為止已經(jīng)完成或剛剛完成的動(dòng)作。Nowwehaveplantedallthetrees.Hehasjustcomeback.Theyhavebuiltmanybuildingsinthiscity.現(xiàn)在完成時(shí)的用法第五頁(yè)第六頁(yè)，共17頁(yè)。2)表示過(guò)去發(fā)生的動(dòng)作,強(qiáng)調(diào)結(jié)果或?qū)ΜF(xiàn)在的影響。Someonehasbrokenthewindow.(窗戶(hù)現(xiàn)在是壞的)Ihavealreadylostthekey.(我現(xiàn)在沒(méi)有鑰匙)Ihaven’treadthatbookyet.(不了解書(shū)的內(nèi)容)Ihavejustcleanedmyhands.(手是干凈的)常與already(已經(jīng)),yet(已經(jīng)),just(剛剛),ever(曾經(jīng))等詞連用.already:常用于肯定句中.yet:常用于否定句,疑問(wèn)句尾.第六頁(yè)第七頁(yè)，共17頁(yè)。3)表示從過(guò)去開(kāi)始并持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)，常與包括現(xiàn)在在內(nèi)的一段時(shí)間的狀語(yǔ)連用。ShehaslearnedEnglishfor5years.HehaslivedinBeijingsince5yearsago.第七頁(yè)第八頁(yè)，共17頁(yè)。since:(自…以來(lái))1)since+時(shí)間點(diǎn)He

has

stayed

here

since

5

o’clock.2)since+時(shí)間段+agoHe

has

stayed

here

since

5

hours

ago.3)since+從句She

has

taught

English

since

he

came

here.

for:(長(zhǎng)達(dá)）for+時(shí)間段Hehaskeptthebookfor2weeks.since,for的用法:

Takenotes

第八頁(yè)第九頁(yè)，共17頁(yè)。用for或since填空Mr.BrownhashadhisTV______15years.I’vetakendrivinglessons_______lastmonth.Mysisterhashadhercellphone______amonth.Myfriendshaven’tvisitedme______fewdaysago.Wehaven’tusedourcar_____alongtime.Shehasn’thadagoodcupofcoffee_____years.Tomhaswornglasses_______hewas7yearsold.forsinceforsinceforforsince第九頁(yè)第十頁(yè)，共17頁(yè)。注：并非所有for作為時(shí)間狀語(yǔ)的句子都用現(xiàn)在完成時(shí)

搞清一般過(guò)去時(shí)和現(xiàn)在完成時(shí)的區(qū)別Iworkedhereformorethantwentyyears.(我現(xiàn)在已經(jīng)不在這里工作了)Ihaveworkedhereformorethantwentyyears.（現(xiàn)在我仍在這里工作）疑難點(diǎn)第十頁(yè)第十一頁(yè)，共17頁(yè)。辨析havebeento和havegonetoMyfatherhasgonetoShanghaiforameeting.他（已經(jīng)）去了上海。MyfatherhasbeentoShanghaiforameeting.他（曾經(jīng)）去了上海。ShehasbeentoChina.

她（曾經(jīng)）去過(guò)中國(guó)。（人已經(jīng)回來(lái)了）havebeentosomeplace.曾經(jīng)去過(guò)某地，已經(jīng)回來(lái)．hasgonetosomeplace.某人去了某地，還沒(méi)有回來(lái)．ShehasgonetoChinalastweek.上周她去了上海。（人可能回來(lái)了也可能沒(méi)回來(lái)）第十一頁(yè)第十二頁(yè)，共17頁(yè)。用have/hasbeento,have/hasgoneto填空：1.—Whereisyourbrother?—He____________theshop.He’llbebacksoon.2.—______youever_________toAmerica?—Yes,I___________NewYorktwice.3.—Hereyouareatlast!Where_____you_____?—I_____________London.4.—David_____________Australia.—I’msurehe’salreadyarrived.5.—IsBennyhere?—No,he__________theschoollibrary.Heleftfiveminutesago.hasgonetoHavebeentohavebeentohavebeenhavebeentohasgonetohasgoneto第十二頁(yè)第十三頁(yè)，共17頁(yè)。9.He________(go)toschoolonfooteveryday.10.____you______(find)yoursciencebookyet?11.Ifit____(be)finetomorrow,I'llgowithyou.12.Thestudents____________(read)Englishwhentheteachercamein.13.Look!Themonkey__________(climb)thetree.14.Mymother__________(come)toseemenextSunday.15.I'velostmypen._________you________(see)itanywhere?goeshave,foundiswerereadingisclimbingiscomingHave,seen第十三頁(yè)第十四頁(yè)，共17頁(yè)。1.I____already____(see)thefilm.I________(see)itlastweek.2._____he____(finish)hisworktoday?Notyet.3.Myfather____just____(come)backfromwork.Heistirednow.4.Where’sLiMing?He__________(go)totheteacher’soffice.5.I__________(work)heresinceI______(move)herein1999.6.SofarI_______________(make)quiteafewfriendshere.7.Howlong________theWangs______________(stay)here?Fortwoweeks.8.I________just___________(finish)myhomework.have,seen,sawHas,finishedhas,comehasgonehaveworked,movedhavemadehave,stayedhave,finished第十四頁(yè)第十五頁(yè)，共17頁(yè)。1.have,seen,saw2.Has,finished3.has,come4.h