現在完成時(shí)課件2023-2024學(xué)年人教版八年級英語(yǔ)下冊.pptx

1、現在現在完成時(shí)完成時(shí)(一一)基本概念基本概念時(shí)態(tài)時(shí)態(tài)主謂賓主謂賓主系表主系表一般現在時(shí)I do my homework.I am a teacher.一般過(guò)去時(shí)I went to Sanya last year.I was fat ago.一般將來(lái)時(shí)I am going to/will visit the Great Wall tomorrow.現在進(jìn)行時(shí)We are listening to the music now.過(guò)去進(jìn)行時(shí)They were watching football match at 9:00 yesterday.1.-Have you read Little Woman

2、yet?-Yes,I have already read it.-No,I havent read it yet.2.Has he ever seen Avengers IV?My boy has just started junior high school.Hes never been to the water park before.1.現在完成時(shí)表示 1)動(dòng)作發(fā)生在過(guò)去并對現在有影響或產(chǎn)生結果。2表示從過(guò)去開(kāi)始一直延續到現在（可能延續下去）的動(dòng)作或者狀態(tài)。2.結構：主語(yǔ)+have/has+done(過(guò)去分詞)3.have/has相當于助動(dòng)詞,變疑問(wèn)提前，變否定havent/hasntH

3、e has turned off the light.他已經(jīng)關(guān)燈了 1）表示發(fā)生在過(guò)去的動(dòng)作對現在仍有影響。The light is off.He turned off the light.He has turned off the light.過(guò)去過(guò)去現在現在將來(lái)將來(lái)He has lived here since 1995.自從1995年以來(lái)，他一直住在這兒2）表示從過(guò)去開(kāi)始一直延續到現在（可能延續下去）的 動(dòng)作或者狀態(tài)。He has lived here since 1995He began to live here in 1995.living here.過(guò)去過(guò)去現在現在將來(lái)將來(lái)In 1

4、995In 1995您的內容打在這里，或者通過(guò)復制您的文本后，在此框中選擇粘貼，并選擇只保留文字。點(diǎn)擊添加標題您的內容打在這里，或者通過(guò)復制您的文本后，在此框中選擇粘貼，并選擇只保留文字。點(diǎn)擊添加標題您的內容打在這里，或者通過(guò)復制您的文本后，在此框中選擇粘貼，并選擇只保留文字。點(diǎn)擊添加標題點(diǎn)擊添加標題現在完成時(shí) 標志性詞已經(jīng)還從未曾經(jīng)剛剛以前兩次alreadyalreadyyetyetneverneverjusjust tbeforebefore twicetwiceeveever r7詞7短語(yǔ)到目前為止自從(那時(shí))近幾年在過(guò)去的幾年里so far up to so far up to now

5、nowever since(then)ever since(then)in recent in recent yearsyearsin the past/last few.in the past/last few.yearsyears2特 since for+過(guò)去時(shí)間點(diǎn)過(guò)去時(shí)間點(diǎn)/過(guò)去時(shí)的句子過(guò)去時(shí)的句子+一段時(shí)間一段時(shí)間用法用法辨析：辨析：already yetevernever justbefore“已經(jīng)，早已已經(jīng)，早已”多多用于用于肯定句肯定句“還，尚還，尚”多用于多用于否定、疑問(wèn)句否定、疑問(wèn)句“曾經(jīng)曾經(jīng)”用于用于疑問(wèn)句疑問(wèn)句“從未從未”表表否定否定“恰好，剛剛恰好，剛剛”用于用于肯定句

6、肯定句“之前之前”副詞，用于副詞，用于句末句末一起來(lái)找標詞1.Have you found your pen yet?2.He has lived here since 1978.3.He has already turned off the light.4.I have been in the army for more than 5 years.5.I have just turned off the light.6.I have been to the Great Wall twice.7.Great changes have taken place in China in the pa

7、st ten years.過(guò)去分詞AAA型型：costcostcostcostcostcostcutcutcutcutcutcuthithithithithithithurthurthurthurthurthurtletletletletletletputputputputputputsetsetsetsetsetsetshutshutshutshutshutshutreadreadreadreadreadreadABB型型：winwinwonwonwonwondigdigdugdugdugdugloseloselostlostlostlostcomecomecamecamecomecomer

8、unrunranranrunrunbecomebecomebecamebecamebecomebecomeABA型型：ABC型型：beginbeginbeganbeganbegunbegunfallfallfellfellfallenfallenseeseesawsawseenseen思考:一般過(guò)去時(shí)與現在完成時(shí)的區別He lived in the house in 1990.He has lived in the house since 1990.I read the book last year.I have read the book before.She returned from S

9、hanghai yesterday.She has been back from Shanghai for two days.區別區別一般過(guò)去時(shí)一般過(guò)去時(shí)現在完成時(shí)現在完成時(shí)強調點(diǎn)強調點(diǎn)強調動(dòng)作發(fā)生在過(guò)去的時(shí)間強調過(guò)去的動(dòng)作對現在造成的結果和影響標志詞標志詞yesterday，last yearthree days ago,in 2007already,yet,ever,never,just,before,recently,so far,up to now,in recent years，in the past/last 時(shí)間段時(shí)間段現在現在完成時(shí)完成時(shí)(二二)去了哪人在哪去了哪人在哪-Whe

10、re is your father?-He has gone to England.Jim has been to Beijing twice.I have been in Beijing for five years.have gone to“已經(jīng)去某地”說(shuō)話(huà)時(shí)該人不在現場(chǎng)尚未回來(lái)。have been to“曾經(jīng)去過(guò)某地”，現在已不在那里了。have been in“在某地呆了多長(cháng)時(shí)間”常與時(shí)間段狀語(yǔ)連用。been to,gone to，been in 三個(gè)短語(yǔ)意不同have been to+地點(diǎn)曾經(jīng)去過(guò)人已回have gone to+地名去了某地人未歸have been in+地點(diǎn)和時(shí)間段

11、待在某地段時(shí)間可能還要待下去用法口訣()1.-Where is your father?-He isnt at home.He _ Zhejiang.A.has gone toB.has been toC.have been toD.have gone to()2.-Where is your uncle?I havent seen him for a long time.-He _ Beijing for about half a year.A.has gone toB.has been toC.has arrived inD.has been in()3.-Paris is a wonde

12、rful place.-So it is.I _ there twice.A.have beenB.have goneC.wentD.willADA現在現在完成時(shí)完成時(shí)(三三)時(shí)間狀語(yǔ)時(shí)間狀語(yǔ)Toms grandfather has worked here for nearly 30 years.I have visited London twice.Susan has just finished her homework.I have lost my dictionary.表示從過(guò)去持續續到現在的動(dòng)作或狀態(tài)表示從過(guò)去某時(shí)到現在的經(jīng)歷經(jīng)歷表示現在剛完成完成的動(dòng)作動(dòng)作表示現在是“做了”的結果結果

13、現在完成時(shí)各種情況下常用的時(shí)間狀語(yǔ)：1.表示從過(guò)去持續續到現在的動(dòng)作或狀態(tài) since+表示過(guò)去的時(shí)間的短語(yǔ)或句子，for+段時(shí)間，how long2.表示從過(guò)去某時(shí)到現在的經(jīng)歷：經(jīng)歷：ever,never,before,once,times等 3.表示現在剛完成完成的動(dòng)作：動(dòng)作：already,yet,just等4.表示現在是“做了”的結果：結果：不需要時(shí)間狀語(yǔ)，靠語(yǔ)境來(lái)解決。特例：It is ten years since we left.筆記天地()1.In the past few years there _ great changes in my hometown.A.had bee

14、nB.have beenC.wereD.are()2.-How long have you studied English?-I _ English since I was five.A.studyB.studiedC.have studiedD.has studied()3.-What do you think of that movie?-Wonderful.I _ it three times.A.watchB.watchedC.have watchedD.willBCC表示從過(guò)去某時(shí)到現在的經(jīng)歷經(jīng)歷表示從過(guò)去持續續到現在的動(dòng)作或狀態(tài)表示現在剛完成完成的動(dòng)作動(dòng)作I have been t

15、here for five days.The Greens have lived in China for three years.She hasnt had her English book since last week.My mother has been up since 5:00 a.m.Twenty years has passed since my mother taught in the school.Its a week since she came here.for+一段時(shí)間since+時(shí)間點(diǎn)一段時(shí)間+has passed+since+從句(時(shí)態(tài)為一般過(guò)去時(shí))Its+一段時(shí)

16、間+since+從句(時(shí)態(tài)為一般過(guò)去時(shí))筆記天地1）since 接過(guò)去的某一時(shí)間點(diǎn)，用來(lái)說(shuō)明動(dòng)作開(kāi)始的時(shí)間。常用于固定句式：“It is+時(shí)間段+since+一般過(guò)去時(shí)的的從句”It is ten years since Bob left the hometown.2）for 后接一段時(shí)間，用來(lái)說(shuō)明動(dòng)作延續的時(shí)間長(cháng)度。He has been abroad for two years.3）How long表示“多長(cháng)時(shí)間”，在現在完成時(shí)中，常對“since+過(guò)去的某一時(shí)間 點(diǎn)”，“since+從句”或“for+一段時(shí)間”提問(wèn)。-How long have you lived here?-Since

17、 19894）since和for的句式轉換：since+時(shí)間段+ago=for+時(shí)間段 since 20 years ago=for 20 years.注意：since后加過(guò)去點(diǎn)時(shí)間或一般過(guò)去時(shí)句子 for+段時(shí)間1.How long have you _here?A.come B.got C.arrived D.been2.Both his parents look sad.Maybe they _whats happened to him.A.knew B.have known C.must know D.will know3.Harry potter is a very nice fil

18、m.I _it twice.A.will see B.have seen C.saw D.see小試牛刀4.我爸爸去過(guò)北京三次了。5.張老師在這所學(xué)校教書(shū)已經(jīng)10年了。6.我爺爺10年前去世了。7.近幾年，我的家鄉發(fā)生了很多變化。DBBMy father has been to Beijing three times.Miss zhang has taught in this school for 10 years.My grandfather died 10 years ago.My hometown has changed in recent years.現在現在完成時(shí)完成時(shí)(四四)延續延

19、續/非延續性動(dòng)詞非延續性動(dòng)詞1.現完是點(diǎn)狀的時(shí)間還是段狀的時(shí)間？2.現完中的動(dòng)詞是否可以持續？3.如何判斷動(dòng)詞是否可持續？4.不可持續的動(dòng)詞能否用于現完？瞬間動(dòng)詞延續性動(dòng)詞瞬間動(dòng)詞延續性動(dòng)詞buyborrowopenclosebegin/startcomegofinishdiecatch a coldput onget upwake upfall asleeplostjoinarrive/reachleave瞬間動(dòng)詞延續性動(dòng)詞瞬間動(dòng)詞延續性動(dòng)詞buyhaveborrowkeepopenbeopenclosebeclosedbegin/startbeoncomebeheregobetherefinishbeoverdiebedeadcatchacoldhaveacoldputonweargetupbeupwakeupbeawakefallasleepbeasleeplostnothavejoinbeinarrive/reachbein/atleavebeaway