It'sbeenalongdaywithoutyoumyfriend.AndI'lltellyouallaboutit____Iseeyouagain.We'vecomealongwaywhere

webegan.OhI'lltellyouallaboutit____Iseeyouagain._____Iseeyouagain.whenwhenWhen時(shí)間狀語從句Unit4GrammarAdverbialclauseoftime時(shí)間狀語從句什么是時(shí)間狀語從句？時(shí)間狀語從句：指在復(fù)合句中充當(dāng)時(shí)間狀語的句子。Igetupatsix.whenitisdark.A狀語：狀語是修飾動(dòng)詞、形容詞、副詞等的句子成分。

說明時(shí)間、地點(diǎn)、原因、目的、結(jié)果、條件等狀語從句時(shí)間結(jié)果原因地點(diǎn)目的條件讓步比較狀語從句分類Usingbefore,afterPresentation1before在……之前,表示主句動(dòng)作發(fā)生在從句動(dòng)作之前。

Closethewindowsbeforeyouleavetheroom,please.在你離開房間前，請(qǐng)關(guān)上窗。after

在……之后，表示主句的動(dòng)作發(fā)生在從句的動(dòng)作之后。

IwenttoschoolafterIfinishedmybreakfast.我吃完早飯去上學(xué)。Closethewindowsbeforeyouleavetheroom,please.Closethewindowsbefore____________(leave)theroom,pleaseafter/before(也可作介詞)+V-ingIwenttoschoolafterIfinishedmybreakfast.

Iwenttoschoolafter___________(finish)mybreakfast.leavingfinishing=Beforeyouleavetheroom,closethewindows.=AfterIfinishedmybreakfast，Iwenttoschool.主句+before/after+從句?；蛘邚木湓谇?，用逗號(hào)隔開。Youshouldturnoffthelights_________youleavetheroom.=Youshouldturnoffthelightsbefore

______

(leave)theroom.2.Tomwenttoschool________hefinishedhisbreakfast.=Tomwenttoschool

after

_______(finish)hisbreakfast.Filltheblankswith“before”&“after”beforeleavingafterfinishingWhileIwasteachinginthefront,youweretakingnotes.while當(dāng)……時(shí)+延續(xù)性動(dòng)詞（進(jìn)行時(shí)態(tài)，同時(shí)發(fā)生)Whiletheboyswereplayingfootball,itrained.【注意】while后面還可以跟表示狀態(tài)的詞。while然而;一會(huì)兒WhileIwasinBeijing,Ivisitedalotofplaces.Heisstrongwhilehisbrotherisweak.Usingwhenandwhilewhen“當(dāng)……時(shí)候”+短暫性V/延續(xù)性V(可有先后順序或同時(shí)發(fā)生)WhenIcamein,youwerereadingEnglish.Whenhefinishedhishomework,heplayedthecomputergamesforawhile.WhenIgothomeyesterday,itbegantorain.Whentheboyswereplayingfootball,itbegantorain.=Whiletheboyswereplayingfootball,itbegantorain.when和while也可以做介詞，構(gòu)成when/while+-ing結(jié)構(gòu)/其他。Whensheisintrouble,shealwaysasksformyhelp.While

Iamtravelling,Iliketobuysomesouvenirs(紀(jì)念品).Filltheblankswith“when”&“while”Practice1whenwhen(1).Thedaysgetlonger_________springcomes.(2).___________theboyswereplayingfootball,itrained.(3).Iwasabouttoleave_______thephonerang.(4).Jackisstrong______hisbrotherisweak.(5).___________(sheis)introuble,shealwaysasksmeforhelp.

When/WhileWhen/WhilewhileIgojoggingeverymorning.ThenIhavebreakfast.________________________________________2.Ipractisedplayingbasketballforhours.Ifelttiredout._____________________________________________3.ImetPeter.Iwaswaitingatthebusstop.___________________________________________________4.IwaswatchingTV.Ireceivedacallfrommyuncle.____________________________________________________5.Iwasreadytogotobed.Myfathercamebackfromwork.____________________________________________________P54AHelpDavidcombinehissentencesusingbefore,after,whenorwhile.IgojoggingeverymorningbeforeIhavebreakfast.AfterIpractisedplayingbasketballforhours,Ifelttiredout.While/WhenIwaswaitingatthebusstop,ImetPeter.While/WhenIwaswatchingTV,Ireceivedacallfrommyuncle.Whenmyfathercamebackfromwork,Iwasreadytogotobed.Practice2Igojoggingeverymorning.ThenIhavebreakfast.________________________________________2.Ipractisedplayingbasketballforhours.Ifelttiredout._____________________________________________3.ImetPeter.Iwaswaitingatthebusstop.___________________________________________________4.IwaswatchingTV.Ireceivedacallfrommyuncle.____________________________________________________5.Iwasreadytogotobed.Myfathercamebackfromwork.____________________________________________________P54AHelpDavidcombinehissentencesusingbefore,after,whenorwhile.Practice2since引導(dǎo)的時(shí)間狀語從句since

自從……以來,現(xiàn)在完成時(shí)+since+一般過去時(shí)

Theyhavebeenfriends_______

theywereatprimaryschool.Sinceyoucan’tanswerthequestion,I________someoneelse.固定搭配：Itis/hasbeen+一段時(shí)間+since+一般過去時(shí)It______________threemonths

since

hemovedtothiscity.Presentation2由于；既然，時(shí)態(tài)根據(jù)語境sinceis/hasbeenwillasktill(句中);until(句首/句中)“到……為止”，主句（長動(dòng)作）+till/until+從句“not…until/till”“直到…才…”主句（否定句+短動(dòng)作）+till/until+從句Walktill/untilyouseeawhitehouse.一直走到你看到一座白房子為止。Untilhisdreamcametrue,henevergaveup.直到夢想實(shí)現(xiàn)，他才放棄。1.—WhendidTomstartwatchingTVlastnight?—_______hefinishedhishomework.A.Until B.Notuntil C.Since D.Before2.Atthemeeting,themanagerskeptarguingabouttheproblem______theyreachedanagreement.A．a(chǎn)fter B．when C．until D．since3.-Sir,whencanwehavetwodaysoff?-Notuntilyourtask_________tomorrow.(complete)Practice11.Ihavebeencrazyaboutplayingbasketball_______Iwasalittleboy.2.Theweatherhasbeenawfulthisweek.Theraindidnotstop______yesterdayevening,sowecouldnotpractisebasketballforseveralyears.3.Weplayedbasketballintheplaygroundthisafternoon________itwasgettingdark.4.Itisthefirsttimewehaveplayedbasketball_______Monday.Weenjoyedourselvesverymuch.5.Iwaitedfor20minutesatthebusstop________thebusarrived.6.ItisFridayevening.Iwillnotgotobed______IfinishwatchingmyfavouriteTVprogramme.sincetill/untiltill/untiltill/untiltill/untilsincePractice2B.FinishtheexercisesonPage55.1.Ihavebeencrazyaboutplayingbasketball_______Iwasalittleboy.2.Theweatherhasbeenawfulthisweek.Theraindidnotstop______yesterdayevening,sowecouldnotpractisebasketballforseveralyears.3.Weplayedbasketballintheplaygroundthisafternoon________itwasgettingdark.4.Itisthefirsttimewehaveplayedbasketball_______Monday.Weenjoyedourselvesverymuch.5.Iwaitedfor20minutesatthebusstop________thebusarrived.6.ItisFridayevening.Iwillnotgotobed______IfinishwatchingmyfavouriteTVprogramme.sincetill/untiltill/untiltill/untiltill/untilsincePractice2B.FinishtheexercisesonPage55.assoonas和whenever引導(dǎo)的時(shí)間狀語從句Presentation3assoonas

一……就

Webegantoworkassoonaswegotthere.Hewillvisityouassoonashegetsthere.whenever

每當(dāng)，任何時(shí)候，whenever可以用everytime/nomatterwhen替換。Helikeslisteningtomusicwheneverhehastime.每當(dāng)他有時(shí)間的時(shí)候，他喜歡聽音樂。我們一到那里就開始了工作。他一到那里就會(huì)去拜訪你。C1.SimoniswritingaboutDavid’sloveforbasketball.HelpSimoncompletehissentenceswithassoonasorwhenever.

Practice3P56C11.Davidoftengoestoplaybasketball__________schoolisover.2.HewatchestheNBA_________thereisagameonTV.3._________hetalksaboutbasketball,hegetsexcited.4._________helearntthattheNBAplayerswouldcometoChina,hetriedhisbesttogetaticket.

assoon