時間狀語從句課件

AdverbialClauses時間狀語從句課件條件狀語原因狀語目的狀語地點狀語比較狀語結果狀語時間狀語讓步狀語方式狀語條件狀語原因狀語目的狀語地點狀語比較狀語結果狀語時間狀語讓步掌握狀語從句的關鍵1.準確掌握每一個連詞的含義。2.注意主句和從句的時態(tài)呼應。掌握狀語從句的關鍵1.準確掌握每一個連詞的含義。AdverbialclausesoftimeAdverbialclausesoftime(1)as,while,whenWhichdoyouchoose?－I′mgoingtothepostoffice.－_____youarethere,canyoubuymesomestamps?A．As

B．while

C．Because

D．If(1)as,while,whenWhichdo連接詞類別作用例句asas表示“當……的時候”，往往和when/while通用，但它著重強調主句與從句的動作或事情同時或幾乎同時發(fā)生。1.ShecameupasIwascooking.（同時）2.Therunnersstartedasthegunwentoff.（幾乎同時）whenwhen可以和延續(xù)性動詞連用，也可以和短暫性動詞連用；when從句的謂語動詞可以在主句謂語動作之前、之后或同時發(fā)生；while和as從句的謂語動作必須是和主句謂語動作同時發(fā)生。1.Whenwewereatschool,wewenttothelibraryeveryday.（在一段時間內）2.Sorry，Iwasoutwhenyoucalledme．（call為短暫性動詞）對不起，你打電話時我剛好外出了。3.WhenIgottotheairport，theguestshadleft．（gotto后發(fā)生）當我趕到飛機場時，客人們已經離開了。while從句動作和主句動作同時發(fā)生，且從句動作為延續(xù)性動詞時，(when，while，as都可使用)。主句中的動作或事情是在從句中的動作或事情的進展過程中發(fā)生，從句中的動詞一般要用延續(xù)性動詞。1.When／While／Asweweredancing，astrangercamein．（dance為延續(xù)性動詞）。2.Pleasedon’ttalksoloudwhileothersareworking.連接詞類別作用例句asas表示“當……的時候”，往往和While,when在句中的不同含義:WhileIwaswalkingdownthestreet,Icameacrossanoldfriend.(while=_______)WhileIreallydon’tlikeart,Ifindhisworkimpressive.(while=_________)Helikespopmusic,whileIamfondoffolkmusic.Strikewhileironishot.While,when在句中的不同含義:Theywerewalkingdownthestreetwhentheysawanaccident.2)Ihadjustgothomewhenitbegantorain.3)Iwasabouttogoswimmingwhenourguidestoppedme.4)It'scoldwhenitsnows.

TheywerewalkingdownthestrAsIleftthehouse,Iforgotthekey.2.AsIgetolder,Igetmoreoptimistic.3.Helookedbehindashewent.4.Astheweatherissobad,wehavetostayhome.5.Youcandoitasyoulike.6.Oldasheis,heisstillenergetic.Judgethemeaningsof“as”.AsIleftthehouse,IforgotFillintheblankswith“when,while,as”1______youmeetawordyoudon'tknow,consultthedictionary.2.Thestudentstooknotes_____theylistened.3._____thewindrose,thenoiseincreased.4.Shecalled_______Iwasout.5.Wemuststrike______theironishot.6.________youhavefinishedyourwork,youmayhavearest.7.Iwasjustreadingabook______shecameintomyroom.whenasAswhilewhileWhenwhenFillintheblankswith“when,before用法1.Wehadsailedfourdaysandfournightsbeforewesawland.2.Wehadn’trunamilebeforehefelttired.3.Pleasewriteitdownbeforeyouforgetit.4.BeforeIcouldgetinaword,hehadmeasuredme.注意：before從句中謂語不用否定式。Beforetheyreachedthestation,thetrainhadgone.

……才還沒有/不到……就……趁……（還未）還沒來得及……before用法注意：before從句中謂語不用否定式。……含有before的句型結構：1.Itwillbe/was＋一段時間＋before…“過多久才”It_________________________(還要過兩年)heleavesthecountry.It______________________(過了很長一段時間)beforehegottosleepagain.2.Itwillbe/was+not＋一段時間＋before…“不多久就……”Itwasn’ttwoyearsbeforeheleftthecountry.

Itwasnotlongbeforehecameback.含有before的句型結構：Since用法1.IhavereturnedhomefourtimessinceIcamehere.2.Shehasbeenworkinghere(eversince)heleftschool.常用句型：Ithasbeen(is)+時間段+since從句“自從……有多長時間了”畢業(yè)已經有六年時間了。Ithasbeen(is)sixyearssinceshegraduatedfromtheuniversity.Since用法（2）引導時間狀語從句的連接詞除上述外還有：①till,until,Don’tgetoffthebusuntilithasstopped.Hewaitedforhisfatheruntil(till)itwastwelveo’clock.②once,assoonas,directly,immediately,AssoonasIhavefinishedit,I’llgiveyouacall.Onceyoushowanyfear,hewillattackyou.Hemadeforthedoordirectlyheheardtheknock.③themoment,theminute,thesecond…

一……就hardly/scarcely…when,nosooner…than表示“一……就Wehadhardlygotintothecountrywhen

itbegantorain.Hehadnosoonerarrivedthanshestartedcomplaining.④eachtime,everytime,thefirsttime,bythetime…Eachtimehecametomycity,hewouldcallonme.ThefirsttimeIcametoShanghai,Iloveditverymuch.Bythetimethedoctorarrived,themanhadcometo.（2）引導時間狀語從句的連接詞除上述外還有：Backtoschool課后作業(yè)Backto課后作業(yè)

AdverbialClauses時間狀語從句課件條件狀語原因狀語目的狀語地點狀語比較狀語結果狀語時間狀語讓步狀語方式狀語條件狀語原因狀語目的狀語地點狀語比較狀語結果狀語時間狀語讓步掌握狀語從句的關鍵1.準確掌握每一個連詞的含義。2.注意主句和從句的時態(tài)呼應。掌握狀語從句的關鍵1.準確掌握每一個連詞的含義。AdverbialclausesoftimeAdverbialclausesoftime(1)as,while,whenWhichdoyouchoose?－I′mgoingtothepostoffice.－_____youarethere,canyoubuymesomestamps?A．As

B．while

C．Because

D．If(1)as,while,whenWhichdo連接詞類別作用例句asas表示“當……的時候”，往往和when/while通用，但它著重強調主句與從句的動作或事情同時或幾乎同時發(fā)生。1.ShecameupasIwascooking.（同時）2.Therunnersstartedasthegunwentoff.（幾乎同時）whenwhen可以和延續(xù)性動詞連用，也可以和短暫性動詞連用；when從句的謂語動詞可以在主句謂語動作之前、之后或同時發(fā)生；while和as從句的謂語動作必須是和主句謂語動作同時發(fā)生。1.Whenwewereatschool,wewenttothelibraryeveryday.（在一段時間內）2.Sorry，Iwasoutwhenyoucalledme．（call為短暫性動詞）對不起，你打電話時我剛好外出了。3.WhenIgottotheairport，theguestshadleft．（gotto后發(fā)生）當我趕到飛機場時，客人們已經離開了。while從句動作和主句動作同時發(fā)生，且從句動作為延續(xù)性動詞時，(when，while，as都可使用)。主句中的動作或事情是在從句中的動作或事情的進展過程中發(fā)生，從句中的動詞一般要用延續(xù)性動詞。1.When／While／Asweweredancing，astrangercamein．（dance為延續(xù)性動詞）。2.Pleasedon’ttalksoloudwhileothersareworking.連接詞類別作用例句asas表示“當……的時候”，往往和While,when在句中的不同含義:WhileIwaswalkingdownthestreet,Icameacrossanoldfriend.(while=_______)WhileIreallydon’tlikeart,Ifindhisworkimpressive.(while=_________)Helikespopmusic,whileIamfondoffolkmusic.Strikewhileironishot.While,when在句中的不同含義:Theywerewalkingdownthestreetwhentheysawanaccident.2)Ihadjustgothomewhenitbegantorain.3)Iwasabouttogoswimmingwhenourguidestoppedme.4)It'scoldwhenitsnows.

TheywerewalkingdownthestrAsIleftthehouse,Iforgotthekey.2.AsIgetolder,Igetmoreoptimistic.3.Helookedbehindashewent.4.Astheweatherissobad,wehavetostayhome.5.Youcandoitasyoulike.6.Oldasheis,heisstillenergetic.Judgethemeaningsof“as”.AsIleftthehouse,IforgotFillintheblankswith“when,while,as”1______youmeetawordyoudon'tknow,consultthedictionary.2.Thestudentstooknotes_____theylistened.3._____thewindrose,thenoiseincreased.4.Shecalled_______Iwasout.5.Wemuststrike______theironishot.6.________youhavefinishedyourwork,youmayhavearest.7.Iwasjustreadingabook______shecameintomyroom.whenasAswhilewhileWhenwhenFillintheblankswith“when,before用法1.Wehadsailedfourdaysandfournightsbeforewesawland.2.Wehadn’trunamilebeforehefelttired.3.Pleasewriteitdownbeforeyouforgetit.4.BeforeIcouldgetinaword,hehadmeasuredme.注意：before從句中謂語不用否定式。Beforetheyreachedthestation,thetrainhadgone.

……才還沒有/不到……就……趁……（還未）還沒來得及……before用法注意：before從句中謂語不用否定式?！衎efore的句型結構：1.Itwillbe/was＋一段時間＋before…“過多久才”It_________________________(還要過兩年)heleavesthecountry.It______________________(過了很長一段時間)beforehegottosleepagain.2.Itwillbe/was+not＋一段時間＋before…“不多久就……”Itwasn’ttwoyearsbeforeheleftthecountry.

Itwasnotlongbeforehecameback.含有before的句型結構：Since用法1.IhavereturnedhomefourtimessinceIcamehere.2.Shehasbeenworkinghere(eversince)heleftschool.常用句型：Ithasbeen(is)+時間段+since從句“自從……有多長時間了”畢業(yè)已經有六年時間了。Ithasbeen(is)sixyearssinceshegraduatedfrom