《Section A Grammar（現(xiàn)在完成時(shí)） focus 4a-4c》PPT課件3-八年級(jí)下冊新目標(biāo)英語【人教版】

這是一份初中英語本冊綜合集體備課ppt課件，共20頁。PPT課件主要包含了keep， have ，be on，be open，be closed，be dead，yet，already，since，for等內(nèi)容，歡迎下載使用。
　 現(xiàn)在完成時(shí) 用來表示之前已發(fā)生或完成的動(dòng)作或狀態(tài)，其結(jié)果的確和現(xiàn)在有聯(lián)系。動(dòng)作或狀態(tài)發(fā)生在過去,但它的影響現(xiàn)在還存在；也可表示持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。其構(gòu)成： 主語 + have (has) +v.過去分詞 + 其他.主語 + haven’t / hasn’t + v. 過去分詞+其他.--Have / Has +主語 + v. 過去分詞 + 其他？--Yes, 主語+ have/ has. N, 主語 + haven’t/ hasn’t.
現(xiàn)在完成時(shí)的句型？
用于現(xiàn)在完成時(shí)的句型? 1）It is the first / secnd time…. that…結(jié)構(gòu)中的從句部分，用現(xiàn)在完成時(shí)。 　 It is the first time that I have visited the city. 　 It is the third time that the by has been late. 2）This is the… that…結(jié)構(gòu)，that 從句要用現(xiàn)在完成時(shí). 　 This is the best film that I‘ve (ever) seen. 　　　 這是我看過的最好的電影。 　 This is the first time (that) I’ve heard him sing. 這是我第一次聽他唱歌。
現(xiàn)在完成時(shí)1.表示過去發(fā)生或完成的某一動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果。①Have yu read that stry? 你讀過那個(gè)故事嗎？（讀這一動(dòng)作發(fā)生在過去，對(duì)現(xiàn)在造成的影響為： 是否知道故事中的內(nèi)容）②I have bught tw apples. 我買了兩個(gè)蘋果。（買這一動(dòng)作發(fā)生在過去對(duì)現(xiàn)在造成的結(jié)果是：擁有兩個(gè) 蘋果） 在學(xué)習(xí)這一概念的同時(shí)，還應(yīng)注意常與現(xiàn)在完成時(shí)態(tài)連 用的幾個(gè)副詞： already，just多用于肯定句中， yet，ever，never多用于疑問句和否定句中。如： I have already finished my hmewrk. 我已經(jīng)做完家庭作業(yè)。
1. He has just had supper. 他剛吃過晚飯。2. Have yu ever sung this English sng? 你曾唱過這首英文歌嗎？3.They haven't dne the hmewrk yet. 他們還沒有做作業(yè)。4. We have never seen a film. 我們從來沒有看過電影。5. He has died. 他死了。
2.表示過去開始的動(dòng)作持續(xù)到現(xiàn)在，甚至還可能繼續(xù)下去； 常和表示從過去某一時(shí)刻起延續(xù)到現(xiàn)在（包括“現(xiàn)在”在內(nèi)）的一段時(shí)間狀語連用。如： They have lived here fr ten years .他們住在這兒有十年了。 She has taught in this schl since three years ag. 她從三年前開始就在這個(gè)學(xué)校教書。 We have knwn each ther since we were very yung. 我們從很小的時(shí)候就彼此認(rèn)識(shí)。注意：用于這種用法中的動(dòng)詞必須是表示連續(xù)的動(dòng)作或狀態(tài)的詞，如：live、wrk、teach、study、stay、wait、knw、be、have、learn、wear、walk、sleep等，這類動(dòng)詞叫做“延續(xù)性動(dòng)詞”。英語中還有另一種動(dòng)詞，如：buy、jin、becme、begin、fall、cme、g、hear、die、clse、pen、leave、brrw、等，它們只表示短暫的動(dòng)作，不能表示一個(gè)延續(xù)的狀態(tài)，這類動(dòng)詞叫做“瞬間性動(dòng)詞”，它們可以用于現(xiàn)在完成時(shí)， 但是不能和表示一段時(shí)間的狀語連用。
短暫性動(dòng)詞變延續(xù)性動(dòng)詞：jin --- 2) cme --- 3) brrw --- 4) buy --- 5) arrive --- 6) leave --- 7) begin --- 8) pen --- 9) clse --- 10) die ---
be in / a
be in / at
be away (frm)
_______ adj.
____ adj.
這只狗死了。這只狗昨天死了。這只狗一天前死了。這只狗死了一天。
The dg has died.The dg died yesterday.The dg died a day ag.The dg has been dead fr a day.
_____________
_______________
_______________________
戲劇開始了。戲劇半小時(shí)前開始了。戲劇開始半個(gè)小時(shí)了。 我買了一臺(tái)電腦。 自從我來到這里就買了一臺(tái)電腦。
The play has begun.The play began half an hur ag.The play has been n fr half an hur.
I have bught a cmputer.I have had a cmputer since I came here.
典型例題 (1) ---D yu knw ur twn at all?　 　 ---N, this is the first time I ___ here. A. was　 B. have been　 C. came　 D. am cming 　 答案B. This is the first time 后面所加從句應(yīng)為現(xiàn)在完成時(shí)，故選B。 (2) ---Have yu ____ been t ur twn befre? 　 ---N, it's the first time I ___ here. A. even, cme　 B. even, have cme　　C. ever, cme　 D. ever, have cme 　 答案D. ever意為曾經(jīng)或無論何時(shí)，反意詞為never，此兩詞常用于完成時(shí)。 This is the largest fish I have ever seen. It is / was the first time +that-clause 的句型中，從句要用完成時(shí)。
1. I __ the way. I __ here fr quite many years. A. knew…h(huán)ave lived B. knew…live C. knw…h(huán)ave lived D. knw…live2. _____ yu ever _____ America ? Yes, I have. A. Have…gne t B. Have…gne in C. Have…been t D. Have …been in3. My brther ____cllege fr ver three years. A. has gne t B. has been t C. has been at4. He ___ the Army by the end f 1989. He ___ in the army since then. A. jined…is B. has jined…h(huán)as been C. had jined…is D. had jined …h(huán)as been5. __ yu _ the text yet ? Yes, we __ it tw hurs ag. A. Did…cpy…did B. Have…cpied…h(huán)ave C. Have…cpied…did D. Did …cpy…h(huán)ad
5. “Why ______ she _______ angry ?” “Because he _____ at her just nw .” A. did…get…shuted B. has…gt…shuted C. did…get…h(huán)as shuted 6. __yu __ the film befre ? Where __ yu __ it ? A. Have …seen…did…see B. Did …see…h(huán)ave…seen C. Have…seen…h(huán)ave…seen7. Yu ____ me waiting fr tw hurs. I ____ fr yu since five. A. kept…waited B. have kept…waited C. kept…h(huán)ave waited D. have kept…h(huán)ave waited Where __ Jhn __ ? T the library. He __ there fr an hur.A. has…been…h(huán)as gne B. has…gne…h(huán)as been C. did…g…went D. did…be…went
A. 用 already 或 yetHave they taken dwn the ld pictures ______? N, nt ___________. 2) Mst f us have finished ur cmpsitins ____. 3) He hasn’t visited the museum________. B.用 since或 fr1) We have learned five lessns ____ the beginning f this term.2) Mrs Lia has been in hspital ______ last week.3) I have stayed at my aunt’s _____ tw weeks. I have been here ______ 1999. They have kept the bks ____ ne day. It has been cld ______ tw weeks ag. We have learnt a lt ______ we came here.
C. 用have gne或 have beenWhere are the by students ? They ___________ t the schl factry.Is yur father in ? N, he ______________ t Shenzhen. _______he ever ______ there befre ? Yes, he _____________ there several times 3) He asked me if I _________ t Hangzhu befre. I tld him that I wanted t g there fr a visit as I ______ never ______ t that city befre. 4) My brther __________the Great Wall three times .5) –I want t return the bk t Jack, but I can’t find him. -- He ________ the library. Yu can find him there.
Has been
have been
1) I _________ a bike . I ______ the bike a week ag . I ___________ the bike fr a week .(買了)2) He ______ . He _____________ fr tw days . (死了)3) She __________. She ____________ fr a day.(回來了)4) The factry _______. It ____________ fr a year.(開辦了)
has been dead
has cme back
has been back
has been pen
概念：表示說話人對(duì)所陳述的事情有所懷疑或者不肯定，想通過對(duì)方的回答來加以肯定或者是否定。原則：前肯后否，前否后肯。不管問法，事實(shí)回答。注意否定詞：few,little,never,hardly,nthing,nbdy
1. There are few students in the classrm, _________?2. He has little mney,________?3. I have never seen this film,_____?4. There is nthing new in the newspaper,_________?5. He never gt up late in the past,________? 6. She can hardly speak English,______?7. Please listen t me, __________?8. Let’s review Mdule 6 tgether,______?
1. –Yu have seen this film, haven’t yu? a.--_________. Hw I wish t see it again. b.--_________. Hw I wish t ! 2. –Yur brther desn’t get up early, des he? --________. But he gets up late n weekends. 3. --Yu have kept my bk fr a lng time, _____? --______. I’ll return it t yu right nw. 4. --Yu are never late fr schl, are yu? --________. I always g t shl earlier than thers. 5. –Jim’s never been t Beijing,______? --________, he went there tw years ag.
Yes, I have
N, I haven’t