初中過(guò)去完成時(shí)講稿課件

初中過(guò)去完成時(shí)課件初中過(guò)去完成時(shí)課件1本課重點(diǎn)：·動(dòng)詞過(guò)去分詞規(guī)則極不規(guī)則變化·過(guò)去完成時(shí)用法

·有時(shí)間狀語(yǔ)提示詞

·無(wú)時(shí)間狀語(yǔ)提示詞·過(guò)去完成時(shí)與現(xiàn)在完成時(shí)的區(qū)別·過(guò)去完成時(shí)與一般過(guò)去時(shí)的區(qū)別本課重點(diǎn)：過(guò)去分詞的構(gòu)成：1.規(guī)則動(dòng)詞的變化：a)一般情況下在動(dòng)詞后面加ed

work------workedplay--------playedb)以e結(jié)尾的動(dòng)詞直接加d

use------used

refuse------refusedc)以輔音字母加y結(jié)尾的動(dòng)詞，把y改i再加edstudy-----studiedcarry-----carriedd)以重讀閉音節(jié)結(jié)尾的，前面有單個(gè)元音字母時(shí)，雙寫(xiě)輔音字母，再加edstop----stoppeddrop-------dropped2.不規(guī)則動(dòng)詞的變化見(jiàn)課本附錄過(guò)去完成時(shí)的構(gòu)成：由助動(dòng)詞had+動(dòng)詞的過(guò)去分詞（done)過(guò)去分詞的構(gòu)成：1.規(guī)則動(dòng)詞的變化：a)一般情況下在動(dòng)構(gòu)成：助動(dòng)詞had+動(dòng)詞的過(guò)去分詞（done)用法：1.過(guò)去完成時(shí)動(dòng)詞表示過(guò)去某一時(shí)間或某一過(guò)去動(dòng)作之前完成的動(dòng)作或狀態(tài),即“過(guò)去的過(guò)去”。過(guò)去完成時(shí)：下面按照有無(wú)時(shí)間狀語(yǔ)提示詞分為兩大類講解:構(gòu)成：助動(dòng)詞had+動(dòng)詞的過(guò)去分詞（done)用法：1.(一)有時(shí)間狀語(yǔ)提示類：(1)by+過(guò)去時(shí)間：e.g.

bythetime…(在…時(shí)之前),bytheendof…(在…結(jié)束/末之前),bythen(截止到那時(shí));

(2)upto/till(直到)+過(guò)去時(shí)間：e.g.

uptillthen(直到那時(shí))等。1.到六點(diǎn)鐘為止他們已經(jīng)工作八小時(shí)了。Bysixo’clockthey______________(work)foreighthours.hadworked2.到上個(gè)月末我們?cè)诒本┳×擞形迥陼r(shí)間了。Bytheendoflastmonthwe______________(live)inBeijingforfiveyears.hadlived(一)有時(shí)間狀語(yǔ)提示類：1.到六點(diǎn)鐘為止他們已經(jīng)工作八小時(shí)4.到那時(shí)，他已寫(xiě)完那封信。Bythetimewegotthere，he________(leave)already.hadleft3.當(dāng)我們到那兒時(shí)，他已經(jīng)離開(kāi)了。Uptillthen，he___________(write)thatletter.hadwritten4.到那時(shí)，他已寫(xiě)完那封信。Bythetimewe（3）此外，過(guò)去完成時(shí)與when,before,after,assoonas,

till/until

等引導(dǎo)時(shí)間狀語(yǔ)的從句連用，強(qiáng)調(diào)動(dòng)作發(fā)生的時(shí)間前后。1.她到家之前她的孩子已經(jīng)睡著了。Whenshegothome，herchildren__________(sleep).hadslept2.在他們到達(dá)之前電影已經(jīng)開(kāi)始了。Beforetheyarrivedhere,thefilm_________already___________(start).hadstarted（3）此外，過(guò)去完成時(shí)與when,before,afte3.我打完植物大戰(zhàn)僵尸就去睡覺(jué)了。Iwenttosleep

assoonasI_________________(play)“plantsVSzombies”.hadplayed4.看了《暮光之城》許多次之后，她終于厭煩了。Shefinallygotboredaftershe_______________(see)thefilm“twilight”manytimes.hadseen3.我打完植物大戰(zhàn)僵尸就去睡覺(jué)了。Iwenttosl2.她懷疑她是否通過(guò)了體育測(cè)試。hadread1.他說(shuō)他讀過(guò)這本書(shū)。Hesaidthathe______________(read)thisbook.Shewonderedifshe______________（pass）thePEtest.hadpassed(二)無(wú)時(shí)間狀語(yǔ)提示類☆先于某過(guò)去動(dòng)作2.她懷疑她是否通過(guò)了體育測(cè)試。hadread1.他說(shuō)他4.她不想看《黑天鵝》，因?yàn)樗呀?jīng)看過(guò)了。Shedidn’twanttoseethefilm“BlackSwan”becauseshe_____________(see)it.hadseen3.我聽(tīng)說(shuō)JustinBieber已經(jīng)有過(guò)兩個(gè)女朋友了。IheardthatJustinBieber___________(have)twogirlfriends.hadhad4.她不想看《黑天鵝》，因?yàn)樗呀?jīng)看過(guò)了。Shedidn過(guò)去完成時(shí)與現(xiàn)在完成時(shí)的區(qū)別過(guò)去完成時(shí)強(qiáng)調(diào)在過(guò)去某時(shí)間或過(guò)去某動(dòng)作之前，即過(guò)去的過(guò)去。(1)按時(shí)間狀語(yǔ)區(qū)分，比較：

bythen/yesterday/lastmonth等過(guò)去時(shí)間

+過(guò)去完成時(shí)

bynow+現(xiàn)在完成時(shí)（bynow=sofar）

bytheendof+lastmonth/year等過(guò)去時(shí)間+過(guò)去完成時(shí)

bytheendof+thismonth/year等現(xiàn)在時(shí)間+現(xiàn)在完成時(shí)（*注：bytheendofthismonth/year…還可能跟將來(lái)完成時(shí)）過(guò)去完成時(shí)與現(xiàn)在完成時(shí)的區(qū)別過(guò)去完成時(shí)強(qiáng)調(diào)在過(guò)去某時(shí)間或過(guò)去

upto/till

then

+過(guò)去完成時(shí)

upto/tillnow

+

現(xiàn)在完成時(shí)bythetime+人稱+did+過(guò)去完成時(shí)

bythetime+人稱+do+現(xiàn)在完成時(shí)upto/tillthen+過(guò)去完成時(shí)bytheExercises:Sofar,I_______(collect)100stamps.Bytheendlastyear,thefactory______(produce)100,000shoes.Tom______(learn)Englishfor4yearssince2007.Mom______(in)thekitchenbythetimeIfinishedmyhomework.Sakura______(study)inthisschoolforabout9yearsuptillnow.He_______(away)fromhishometownuptothen.Thedog______(die)for3weeksandMarystillfeelssad.Exercises:Sofar,I_______(co(2)按是否體現(xiàn)某動(dòng)作在另一過(guò)去動(dòng)作之前發(fā)生區(qū)分：有標(biāo)志詞：when,before,after,assoonas,

till/until等Whenshegothome，herchildrenhadslept.Beforetheyarrivedhere,thefilmhadalreadystarted.Hesaidthathehadmetyou.ShewonderedifshehadpassedthePEtest.無(wú)標(biāo)志詞：賓語(yǔ)從句等(2)按是否體現(xiàn)某動(dòng)作在另一過(guò)去動(dòng)作之前發(fā)生區(qū)分：有標(biāo)志詞：Exercises:1.Jake_______(be)Beijingfor3monthbeforehecameback.2.Iwenthomeassoonasthesun_____(go)down.3.Jimboughtasetofcombsforhiswifeafterhe_____(sell)hiswatchchain.4.Ididn’tgotobeduntiltheprogram_____(finish).5.MomaskedifI_____(have)breakfastthismorning.6.Ididn’texpectthatbecauseI_____(prepare)forsuchasurprise.7.Youwouldhavelostthegameifhe_____(help)you.8.IwenttoTom’shousebuthe__________(go)out.Exercises:1.Jake_______(be)B過(guò)去完成時(shí)與一般過(guò)去時(shí)的區(qū)別一般過(guò)去時(shí)常見(jiàn)標(biāo)志詞：比較：Hehadbeenastudentfor8yearsbythetimehewassixteen.Hewasastudent8yearsago.Theyhadpackedalltheirthingsbeforetheywenttotheairport.Theypackedalltheirthingsyesterday.過(guò)去完成時(shí)與一般過(guò)去時(shí)的區(qū)別一般過(guò)去時(shí)常見(jiàn)標(biāo)志詞：比較：Exercises:He______(lend)$100amonthago.Sally_____(buy)anipodtouchthedaybeforeyesterday.Joe_____(run)3loopsbeforehetookarest.Mini_____(practice)pianolastmonth.Shetoldmeshe______(acquire)alltheskills.When_____you______(go)forapicnic?Exercises:He______(lend)$100初中過(guò)去完成時(shí)課件初中過(guò)去完成時(shí)課件18本課重點(diǎn)：·動(dòng)詞過(guò)去分詞規(guī)則極不規(guī)則變化·過(guò)去完成時(shí)用法

·有時(shí)間狀語(yǔ)提示詞

·無(wú)時(shí)間狀語(yǔ)提示詞·過(guò)去完成時(shí)與現(xiàn)在完成時(shí)的區(qū)別·過(guò)去完成時(shí)與一般過(guò)去時(shí)的區(qū)別本課重點(diǎn)：過(guò)去分詞的構(gòu)成：1.規(guī)則動(dòng)詞的變化：a)一般情況下在動(dòng)詞后面加ed

work------workedplay--------playedb)以e結(jié)尾的動(dòng)詞直接加d

use------used

refuse------refusedc)以輔音字母加y結(jié)尾的動(dòng)詞，把y改i再加edstudy-----studiedcarry-----carriedd)以重讀閉音節(jié)結(jié)尾的，前面有單個(gè)元音字母時(shí)，雙寫(xiě)輔音字母，再加edstop----stoppeddrop-------dropped2.不規(guī)則動(dòng)詞的變化見(jiàn)課本附錄過(guò)去完成時(shí)的構(gòu)成：由助動(dòng)詞had+動(dòng)詞的過(guò)去分詞（done)過(guò)去分詞的構(gòu)成：1.規(guī)則動(dòng)詞的變化：a)一般情況下在動(dòng)構(gòu)成：助動(dòng)詞had+動(dòng)詞的過(guò)去分詞（done)用法：1.過(guò)去完成時(shí)動(dòng)詞表示過(guò)去某一時(shí)間或某一過(guò)去動(dòng)作之前完成的動(dòng)作或狀態(tài),即“過(guò)去的過(guò)去”。過(guò)去完成時(shí)：下面按照有無(wú)時(shí)間狀語(yǔ)提示詞分為兩大類講解:構(gòu)成：助動(dòng)詞had+動(dòng)詞的過(guò)去分詞（done)用法：1.(一)有時(shí)間狀語(yǔ)提示類：(1)by+過(guò)去時(shí)間：e.g.

bythetime…(在…時(shí)之前),bytheendof…(在…結(jié)束/末之前),bythen(截止到那時(shí));

(2)upto/till(直到)+過(guò)去時(shí)間：e.g.

uptillthen(直到那時(shí))等。1.到六點(diǎn)鐘為止他們已經(jīng)工作八小時(shí)了。Bysixo’clockthey______________(work)foreighthours.hadworked2.到上個(gè)月末我們?cè)诒本┳×擞形迥陼r(shí)間了。Bytheendoflastmonthwe______________(live)inBeijingforfiveyears.hadlived(一)有時(shí)間狀語(yǔ)提示類：1.到六點(diǎn)鐘為止他們已經(jīng)工作八小時(shí)4.到那時(shí)，他已寫(xiě)完那封信。Bythetimewegotthere，he________(leave)already.hadleft3.當(dāng)我們到那兒時(shí)，他已經(jīng)離開(kāi)了。Uptillthen，he___________(write)thatletter.hadwritten4.到那時(shí)，他已寫(xiě)完那封信。Bythetimewe（3）此外，過(guò)去完成時(shí)與when,before,after,assoonas,

till/until

等引導(dǎo)時(shí)間狀語(yǔ)的從句連用，強(qiáng)調(diào)動(dòng)作發(fā)生的時(shí)間前后。1.她到家之前她的孩子已經(jīng)睡著了。Whenshegothome，herchildren__________(sleep).hadslept2.在他們到達(dá)之前電影已經(jīng)開(kāi)始了。Beforetheyarrivedhere,thefilm_________already___________(start).hadstarted（3）此外，過(guò)去完成時(shí)與when,before,afte3.我打完植物大戰(zhàn)僵尸就去睡覺(jué)了。Iwenttosleep

assoonasI_________________(play)“plantsVSzombies”.hadplayed4.看了《暮光之城》許多次之后，她終于厭煩了。Shefinallygotboredaftershe_______________(see)thefilm“twilight”manytimes.hadseen3.我打完植物大戰(zhàn)僵尸就去睡覺(jué)了。Iwenttosl2.她懷疑她是否通過(guò)了體育測(cè)試。hadread1.他說(shuō)他讀過(guò)這本書(shū)。Hesaidthathe______________(read)thisbook.Shewonderedifshe______________（pass）thePEtest.hadpassed(二)無(wú)時(shí)間狀語(yǔ)提示類☆先于某過(guò)去動(dòng)作2.她懷疑她是否通過(guò)了體育測(cè)試。hadread1.他說(shuō)他4.她不想看《黑天鵝》，因?yàn)樗呀?jīng)看過(guò)了。Shedidn’twanttoseethefilm“BlackSwan”becauseshe_____________(see)it.hadseen3.我聽(tīng)說(shuō)JustinBieber已經(jīng)有過(guò)兩個(gè)女朋友了。IheardthatJustinBieber___________(have)twogirlfriends.hadhad4.她不想看《黑天鵝》，因?yàn)樗呀?jīng)看過(guò)了。Shedidn過(guò)去完成時(shí)與現(xiàn)在完成時(shí)的區(qū)別過(guò)去完成時(shí)強(qiáng)調(diào)在過(guò)去某時(shí)間或過(guò)去某動(dòng)作之前，即過(guò)去的過(guò)去。(1)按時(shí)間狀語(yǔ)區(qū)分，比較：

bythen/yesterday/lastmonth等過(guò)去時(shí)間

+過(guò)去完成時(shí)

bynow+現(xiàn)在完成時(shí)（bynow=sofar）

bytheendof+lastmonth/year等過(guò)去時(shí)間+過(guò)去完成時(shí)

bytheendof+thismonth/year等現(xiàn)在時(shí)間+現(xiàn)在完成時(shí)（*注：bytheendofthismonth/year…還可能跟將來(lái)完成時(shí)）過(guò)去完成時(shí)與現(xiàn)在完成時(shí)的區(qū)別過(guò)去完成時(shí)強(qiáng)調(diào)在過(guò)去某時(shí)間或過(guò)去

upto/till

then

+過(guò)去完成時(shí)

upto/tillnow

+

現(xiàn)在完成時(shí)bythetime+人稱+did+過(guò)去完成時(shí)

bythetime+人稱+do+現(xiàn)在完成時(shí)upto/tillthen+過(guò)去完成時(shí)bytheExercises:Sofar,I_______(collect)100stamps.Bytheendlastyear,thefactory______(produce)100,000shoes.Tom______(learn)Englishfor4yearssince2007.Mom______(in)thekitchenbythetimeIfinishedmyhomework.Sakura______(study)inthisschoolforabout9yearsuptillnow.He_______(away)fromhishometownuptothen.Thedog______(die)for3weeksandMarystillfeelssad.Exercises:Sofar,I_______(co(2)按是否體現(xiàn)某動(dòng)作在另一過(guò)去動(dòng)作之前發(fā)生區(qū)分：有標(biāo)志詞：when,before,after,assoonas,

till/until等Whenshegothome，herchildrenhadslept.Beforetheyarrivedhere,thefilmhadalreadystarted.Hesaidthathehadmetyou.ShewonderedifshehadpassedthePEtest.無(wú)標(biāo)志詞：賓語(yǔ)從句等(2)按是否體現(xiàn)某動(dòng)作在另一過(guò)去動(dòng)作之前發(fā)生區(qū)分：有標(biāo)志詞：Exercises:1.Jake_______(be)Beijingfor3monthbeforehecameback.2.Iwenthomeassoonasthesun_____(go)down.3.Jimboughtasetofcombsfo