8B-Unit-1-現(xiàn)在完成時的時間副詞

現(xiàn)在完成時的時間副詞1精選課件ppt★一、since短語或從句表示過去的動作延續(xù)至今，since之后的時間為一點。

Mr.Smithhasworkedheresince1984.1984年以來，史密斯先生一直在這工作。He’slearnedabout5,000Englishwordssincehewenttocollege.他上大學(xué)以來大約學(xué)了五千個英語單詞。2精選課件ppt二、★

for短語表示動作延續(xù)多長時間，for的賓語為時間段。

Wehaveknowneachotherfortwentyyears.

我們認(rèn)識有二十年了。

Ihaven’tseenherforalongtime.

我好久沒有見到她了。3精選課件ppt三、★

just,recently是完成時的時間狀語，justnow有amomentago之意，是一般過去時的時間狀語。Thetrainhasjustarrived.火車剛到。DidyouseeJoanjustnow?你剛才看到瓊了嗎？Haveyouheardfromyourfamilylately/recently?你最近收到家人的來信了嗎？4精選課件ppt四、★

ever和never也是現(xiàn)在完成時常見的時間狀語。前者意思是“曾經(jīng)”，多見于疑問句或否定句中；后者意思是“從來沒有”，表示全部否定?！癏aveyoueverseenthefilm?”“No.Ihaveneverseenit.”“你曾經(jīng)看過這部影片嗎？”“沒有，從來沒看過。”Nobodyinourclasshaseverbeenthere.我們班沒有人去過那。5精選課件ppt五、★

already和yet常見于現(xiàn)在完成時中，有“已經(jīng)”之意。前者一般用在肯定句中，后者用在疑問句中。yet在否定句中有“還”之意?！癏asthebusleftyet”?“Yes.Ithasalreadyleft.”(“No.Ithasn’tleftyet.)“汽車開走了嗎？”“是的，已經(jīng)開走了?！薄安?，還沒有開走?！?精選課件ppt六、★“already”用于現(xiàn)在完成時的肯定句中,“yet”用于現(xiàn)在完成時的否定句和疑問句中.

用“already”“yet”填空。

Hehas()visitedmany

placesinChina.

注意"already"在句中的兩種位置.

Thetrainhasn‘tarrived（）.

火車（到現(xiàn)在）還沒有到。

Hasshearrived（）?

她已經(jīng)到了嗎？Hasn‘thecome（）?她還沒來嗎？alreadyyet

yet

yet7精選課件pptMakingsentencesMr.Wuasksthestudentstocompletethesentencesbelowusingthepresentperfecttense.Helpthemcompletethesentences.They___________(go)tothecinemaalready.MrAndMrs.Li_________________(notcome)backyet.John___________(be)totheUSAafewtimes.We_______________(notsee)thatfilmyetI_______________(nottalk)tomycousinsincelastFriday.You_________________(notvisit)meforalongtime.havegonehavenotcomehasbeenhavenotseenhavenottalkedhavenotvisited8精選課件ppt現(xiàn)在完成時和一般過去時的區(qū)別Haveyouseenthefilm?Yes,I_____itlastweekend.現(xiàn)在完成時強調(diào)的是現(xiàn)在一般過去式強調(diào)的是過去，常和表示過去的時間連用。saw9精選課件ppt現(xiàn)在完成時和一般過去時He____________(work)inourschoolforoneyear.He______(come)toourschoollastyear/in2002.They_______________(cook)thesupperalready.They___________(cook)thesupperhalfanhourago.hasworkedcamehavecookedcooked10精選課件ppt當(dāng)在肯定陳述句中含有already或just時，在轉(zhuǎn)換成否定句或疑問句時，要把句中的already或just去掉，在句末加上yet.Ihaven’tseenthefilmyet.●

Ihavedonemyhomeworkalready.Ihaven’tdonemyhomeworkyet.●

Motherhasjust

cleanedthehouse.Motherhasn’tcleanedthehouseyet.●

Ihaveseenthefilmalready.11精選課件ppt()1.Ihavefinishedmyhomework____.Haveyoufinishedyourhomework____?A.yet,yetB.yet,alreadyC.already,yetD.already,already單項選擇:12精選課件ppt()2.Ihaven’tseenKate____4months.A.AlreadyB.sinceC.forD.yet()3.Hehas____seenthefilmHarryPotter.Soheknowsnothingaboutit.A.alreadyB.everC.neverD.yet

13精選課件ppt()4.Shehasbeenillinbed____twodaysago.A.sinceB.inC.duringD.for()5.—Haveyouseenhim____?—No,Ihaven’t.A.alreadyB.neverC.everD.recently14精選課件ppt()6.Ihave____watchedawonderfulfilm.It’sreallyinteresting.A.yetB.justC.justnowD.never15精選課件ppt()7.Mike____thebookshop.Ihavetowaitforhim.A.wenttoB.wasinC.hasbeentoD.hasgoneto16精選課件ppt()8.—Oh,MrsKing,yourdresslooksverynice.Isitnew?—No,I___itsincetwoyearsago.A.hadB.boughtC.havehadD.havebought17精選課件ppt()9.—

___you__aticketforthefootballmatch?

—

Notyet.A.Is,boughtB.Are,boughtC.Has,boughtD.Have,bought18精選課件ppt()10.—Whatanicedog!Howlonghaveyouhadit?—__twoyears.A.ForB.SinceC.InD.Before()11.Greatchanges____inChinasince1978.A.washappenedB.havehappenedC.havebeenhappened

D.happened19精選課件ppt()12.Tom______alotoffriendssincehecametoChinalastyear.A.madeB.makesC.ismakingD.hasmade()13.“TheWorldWithoutThieves”isaverymovingfilm.I___ittwicealready.A.willseeB.sawC.seeD.haveseen20精選課件ppt()14.They___sincethefactoryopened.A.haveworkedthereB.haveworkedhereC.workedthereD.workedhere()15.—Lucy,__you___yourticket?—Notyet.A.did,findB.have,foundC.has,foundD.do,find21精選課件ppt()16.—WhatareyougoingtodothisSaturday?—I____yet.A.haven’tdecidedB.won’tdecideC.amnotdecidedD.didn’tdecide22精選課件ppt1.He______________(notfinish)thehomeworkyet.Hewilltrytofinishitquickly.2.Myfamily________(live)inNanjingsince1996.3._____you______(know)himsincethen?Morepracticehasn’tfinishedhaslivedHaveknown23精選課件ppt4.They_____already_______