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
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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
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