Unit10I’vehadthisbikefor3yearsGrammar4a-4bHaveyoueverbeentoSichuanMuseum?No,Ihaveneverbeenthere.HaveyoureadTressureIslandyet?Yes,Ihavealreadyreadit.Howlonghaveyoustudiedinthisschool?Ihavestudiedinthisschoolsincetwoyearsago.Ihavestudiedinthisschoolfortwoyears.ThePresentPerfectTenseNowInthefutureInthepast1.動作發(fā)生在過去，但是我們更關(guān)注的是當(dāng)下（現(xiàn)在）的情況。2.這個動作發(fā)生在過去，和現(xiàn)在有交點(diǎn)，可能還會持續(xù)發(fā)生在未來。structuremeaningsignalwords(Timeexpressions)ThePresentPerfectTenseUnit8TalkaboutrecenteventsUnit9Talkaboutthepastexperiencesusing“have/hasbeento”structuremeaningsignalwords(Timeexpressions)Unit10Talkaboutpossessions(擁有物)

andthingsyoubelongAskAnswerWhichtwowordsdoweusetodescribethetime?forthreeyearsforawhileforalongtimesincehisfourthbirthdaysincefouryearsagosinceshewasababysinceIwasachildfor+一段時間since(prep.)+時間名詞since(conj.)+一般過去時的句子since(prep.)+時間名詞+agofor/sincesince

I

was

12./

for

2

years.buy------borrow-----arrive-----die------finish------begin/start------leave------close------open------havehad

havekept

havebeenin/at..havebeendead

havebeenoverhavebeenonhavebeenawayhavebeenclosedhavebeenopen非延續(xù)性動詞（小冊子85）完成時的對應(yīng)轉(zhuǎn)換表達(dá)put

oncatchacoldjointhearmyfallasleephaveworn

havehadacoldhavebeeninthearmyhavebeenasleep非延續(xù)性動詞短語完成時的對應(yīng)轉(zhuǎn)換表達(dá)1.I_________(have/buy)thecomputerfortwoyears.2.Linda______________(comeback/beback)sincethreedaysago.3.Howlonghashe______(keep/borrow)thisbook?4.Howlonghavethey___________(leave/beaway)?Fillintheblanks.havehadhasbeenbackkeptbeenawayTheyhavenoteatenfortenhours.Theboyhashadatoygunsince2022.IhaveknownAnnaforthreeyears.LindahasbeenillsinceMonday.PresentsituationYouhavebeenstudiedinXihangNo.2middleschoolfor2years.

YoustudyinXihangNo.2middleschool.Youcametothisschool2yearsago.haveneverbeengohaveneverownedhavealwayswantedhavehadboughthaven’tbeenmisshasbeenisReport:Myfri