状语从句AdverbialClauseLOREMIPSUMDOLOR Iwillcallyoutomorrow.用来对谓语动词进行补充、说明和完善的成分,我们称之为状语。Iwillcallyouwhenhecomes.当状语部分是由简单句构成的时候,我们称这样的句子为状语从句。从句主句主句+连接词+从句 Iwillcallyouwhenhecomes.状语从句有很多种,其中对动作发生的时间进行描述的从句,我们称之为时间状语从句。 when,while,before,after,until,since,assoonas......时间状语从句主从句之间的连接词 注意:从句动作既可以发生在时间点,也可以发生在时间段。when瞬间动词延续性动词 1.Thestudentswereplayingcomputergameswhentheteachercamein.2.WhenIwaswalkingalong,Icameacrossafriendofmine.瞬间动作延续动作时态 3.Wewillgooutforawalkwhentheweatherisfine。4.IalwaysdrinkcoffeewhenIwork.5.Whenhegavemeapresent,Ithankedhim.时态主将从现(祈使句,情态动词也可视为主将)主现从现主过从过 注意:while引导的时间状语从句,主句动作是在从句动作进行的过程中发生的。Someoneknockedthedoorwhilewewerehavingsupper.while从句必须是延续性动词 1.Someoneknockedthedoorwhilewewerehavingsupper.2.IwaswatchingTVwhilemymotherwascooking。时态when强调两个动作同时发生,主从句都用进行时,只能用while 1.肯定句:。。。直到。。。(表示主句发生的动作一直持续到某一时间才停止,因此,主句动词要使用延续性动词)Ihavetostayhereuntiltherainstops.IwatchedTVuntilmymotherreturnedlastnight.until 2.否定句:not......until...直到。。。才。。。(表示主句的动作一直持续到某时才开始,主句动词既可以是延续动词,也可以是瞬间动词。)Hedidn'tdohishomeworkuntilhisfathercamehome.Iwon'tgooutuntilIfinishmyhomework.Shedoesn'twatchTVuntilshefinishesherhomeworkeveryday.主过从过主将从现主现从现 before:在。。。之前(主句动作发生在从句动作之前)after:在。。。之后(主句动作发生在从句动作之后)since:自从(主句现在完成时,从句一般过去时) assoonas:一。。。就。。。时态用法上以主将从现最为常见。也有主过从过,主现从现等用法。Wewillgototheparkassoonastherainstops. 1.MyparentswerewatchingTVwhileI_____ontheInternet.A.searchB.wassearchingC.searchedD.searching 2.I'llphoneyou____Marycomeshome.A.sinceB.untilC.assoonasD.while3.Pleaseturnoffthlight____youleavetheclassroom.A.afterB.beforeC.untilD.since 4.Theydidn'trealisetheimportanceofstudy____theyleftschool.A.whenB.whileC.afterD.until 1. We have lived in this city __________ I movedhere in 1990.2. Have you decided what you want to be _________you grow up?3. Don't worry, I'll phone you __________I get thenews.sincewhenassoonas 4. The drunk man didn't leave the station _______the police came yesterday.5. I haven't heard from him __________ he went toAmerica .6.I waited __________ he came back.untilsinceiuntil 7. She likes everything to be in place ________ shestarts to work.8._____theworkwasdone,wesatdowntosumup(总结)experience.9.Weplayedoutsidetillsunset,_______itbegantorain。beforeAfterwhen 10.Theydecidedtogobackhome__________theirmoneyranout.11.__________Igettotheairport,Iwillphoneyoutopickmeup.12.Myfatherwasreadingnewspaper_______mymotherwascleaningtheroom.beforeAssoonaswhile 制作:李红