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现在完成时现在完成时的构成
1.现在完成时由助动词过去分词构成，第三人称单数用其余用havehas+has,haveI have been inShenzhen forseven years.Lily hasntbeen toAmerica before.现在完成时的用法
2.）现在完成时通常表示在说话之前已经定成的动作或存在的状态说话人强调的是该动作1或状态对现在的结果或影响我女儿刚出去My daughterhas justgone out.我肯定我们以前见过面Im sureweve metbefore.她到了She hasarrived.）表示持续到现在的动作或状态,，等如2for…since...,yet这些日子我没有收到她的信I haventheard fromher thesedays.最近我们没有见到你We haventseen yourecently,他们离开已经两年了They have been awayfor twoyears.She has been withus sinceMonday.常和现在完成时连用的时间状语
3.等连用□例如already,yet,before,lately,recently,once,twice,ever,never,since,for她已经来了She hasalready come.我还没读过这个I haventread ityet.他们从未去过延安They havenever been to Yanan.我近来没看到他I haventseen himlately.She has been anindependent girlsince herfather passedaway.自从父亲去世后，这女孩就变得独立了.杰克做医生已经年了Jack hasbeen adoctor for10years10现在完成时的否定式和疑问句
4.否定句在后加结构主语过去分词+其他have\has not+has\have+not+一般疑问句提到主语前，其他照写结构主语+过去分词+其他Has\Have Have\Has+特殊疑问句特殊疑问词+一般疑问句注意肯定句中如有在否定句或者一般疑问句中要变成即some\and,any\or,some-any and-or以为例，其否定式、疑问式和简单回答形式如下:study肯定句否定句疑问句回答I havestudied I have nothavent studiedHave youstudied GermanYes,I have.\NoJ、German before.German before.before haventhave not.、He hasnotXhasn9t studiedHas hestudied GermanYes,he has.\No,he hasntHe has studiedGerman before.before have not.Germanbefore.部分不规则变化动词表
5.Base FormPast FormPast Participlebearbore bornbeatbeat beatenbecomebecame becomeblowblew blownbringbrought broughtbuildbuilt builtbuybought boughtcatchcaught caughtchoosechose chosencomecame comedodid donedrinkdrank drunkdrivedrove driveneatate eatenfallfell fallenfindfound foundflyflew flowngetgot gotgivegave givengowent gonegrowgrew grownhavehad hadhearheard heardkeepkept keptleaveleft leftloselost lostmakemade madeputput putreadread readrunran runsaysaid saidseesaw seensellsold soldsendsent sentsingsang sungsinksank/sunk sunktaketook takenteachtaught taughtwritewrote wroteam,is wasbeenare werebeen.注意6和的区别
1.since for后接过去的某个时间点，如since1993,last term,yesterday,the timeI gotthere后接一段时间，表示“长达多久，如等for ten years,a while,two days用和填空Exercise:since for
1.Jim hasbeen inIreland Monday.
2.Jill hasbeen inIreland threedays.
3.His aunthas livedin Australia15days.
4.Mary isin heroffice.She hasbeen there7oclock.
5.India hasbeen anindependent country
1974.
6.The busis late.Theyve beenwaiting20minutes.
7.Nobody livesin thosehouses.They havebeen emptymany years.
8.Mike hasbeen illa longtime.He hasbeen inhospital October..表示短暂意义的动词如等，在完成时当中不能2arrive,leave,borrow,buy,begin,start,die和表示一段时间的状语连用，因为它们表示的动作不可能持续因此，不能说He hascome herefor2weeks.xThe oldman hasdied for4months.xThey haveleft only for5minutes.x以上三句话可以改为Hehasbeen herefor2weeks.The oldman hasfor4months.They haveonlyfor5minutes+地点和地点的区别
3.have hasbeen to\in have has goneto+“曾到过某地去过，现在已经回来了=havehasbeeiT;“已经去某地=去了没有回来“havehas gone试比较他刚才到哪里去了？（已经回来了）Where hashe been他上哪儿去了？（人不在）Where hashe gone.他们到过加拿大（现在已经不在加拿大）They havebeento Canada他们到加拿大去了（可能在路上和已经到加拿大）They have gone toCanada.随堂练习
一、用单词的适当形式填空l.Sheslive hereever sinceshe wasten.
4.Both ofthembe inHongkong forten days.
5.Both ofthemcome toHongkong tendays ago.
6.Half anhourpass sincethe trainleave.
7.Marylose herpen.yousee ithere andthere
8.youfind yourwatch yet
9.---Are youthirsty---No Ijusthave someorange.10We alreadyreturnthe book.11theybuild anew schoolin thevillage
10.1not finishmy homework.Can youhelp me
11.My fatherread thenovel twice.
12.1buy a book justnow.
二、单选题
13.1lost mywatch yesterday.
1.How longhave youhereA.come B.got C.arrivedD.been
2.My grandpadied.A.at theage ofmy2B.for2yearsC.when Iwas
2.D.my agewas
6.
3.Jane hasto BeiJing.She willcome backtomorrow.A.been B.gone C.wentD.never been
4.It isten yearsI lastsaw her.A.after B.since C.forD.that
5.-Who will go to the stationto meetLorry—I will.I herseveral times.A.met B.have metC.had metD.will meet
6.—What anice dress!How longyou it—Just2weeks.A.will,buy B.did,buy C.are,having
7.-Do youknowD.have,hadLydia verywell—Yes,She andI friendssince wewere veryyoung.A.have madeB.have becomeC.have beenD.have turned
8.The Smithsin Chinafor8years.A.has livedB.lived C.havebeenD.live
9.-Hello,this isMr.Green speaking.Can Ispeak toMr.Black--Sorry.He theBainiao Park.A.hasbeento B.hasgonetoC.went toD.willgoto
10.—you everto theUS—Yes,twice.A.Have,gone B.Have,been C,Do,go D.were,going
三、将下列句子变成否定句，一般疑问句，并对划线部分提问1I havebeen therefor twodays.否定句一般疑问句对划线部分提问2My fatherhas livedhere since
2000.否定句一般疑问句对划线部分提问3He lefthere yesterday.否定句一般疑问句对划线部分提问4They boughtabooktwo hoursago.否定句一般疑问句对划线部分提问
四、用填空“never,ever,already,just,yet,for,since”to
4.1have seenhim before,so I have noidea abouthim.
2.Jack hasfinished hishomework.
3.Mr.Wang hastaught inthis schoolten years.
4.Have youseen thefilm”“No,Ihave seen it.
5.“Has thebus left”Yes,it hasleft.
五、用或填空havehas beenhavehas goneA:Where LiFeiB:He to Hainan Island.A:How longhe thereB:He therefor threedays.A:When willhe come back,do youknowB:Im afraidhe wontcomebackrecently.A:Could youtell methe waytoHainanIslandB:Sorry,I neverthere.A:How many times LiFei tothat placeB:He thereonly once.
五、用及的适当形式填空have/hasbeento/in,havegoneto go1Where isJack HeCanada.2David thepark justnow.3John Englandsince hecame back.4How longthey thisvillage5The SmithsBeijing foryears.6you everAmerica-Yes,I theremanytimes.7I this school sincethree yearsago.8Where isJim Hethe farm.9When heHe anhour ago.10Would youlike toto thezoo withme—Yes,but Ithere before.11Where younow---1tothezoo.12He oftenswimming.13you therelast year14they oftenskating inwinter
六、用填空never,ever,already,just,yet,for,since
1.1have seenhim before,so Ihavenoidea abouthim.
2.Jack hasfinished hishomework.
3.Mr.Wang hastaught inthisschooltenyears.
4.Have youseen thefilm”“No,Ihaveseen it.
5.Has thebus left”Yes,it hasleft.”答案随堂练习
一、1Jived
2.havebeen
3.came
4.has passed,left
5.lost,haveseen
6.Have,found
7.have,had
8.have,returned
9.Have,built
10.havent finished
11.has read
12.bought
13.1ost
二、1-5DCBBB1-6DCCBB。
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