時(shí)間狀語(yǔ)從句及練習(xí)

1、1時(shí)間狀語(yǔ)從句時(shí)間狀語(yǔ)從句常見的從屬連詞有：常見的從屬連詞有：(注意其漢語(yǔ)意義注意其漢語(yǔ)意義)whenwhileasbefeaftersinceuntil(till)onceassoonasthemomenttheminuteimmediatelydirectlyeacheverytimethefirsttimethelasttimenexttimebythetimewhenever等。例如：EveryEachtimeIwasintro

2、ublehewouldcometomyhelp.IthoughthernicehonestthefirsttimeImether.注意：（1）whenwhileas的區(qū)別：的區(qū)別：1)when引導(dǎo)從句時(shí)，主從句的動(dòng)作有先有后，也可以同時(shí)進(jìn)行從句的動(dòng)作可以是持續(xù)性的，也可以是短暫的。如：WhenIgottotheairpttheplanehadalreadytakenoff.（主先從后）（短暫性）WhenIlivedthereIusedt

3、ogototheseasideonSundays.(同時(shí))（持續(xù)性）Whenthemovieendedthepeoplewentback.（從先主后）2)while側(cè)重主從句動(dòng)作的對(duì)比，且從句的動(dòng)詞必須是持續(xù)性的。如：Whilewewerechattingshewaslookingatthetimetableonthewall3)as引導(dǎo)從句時(shí)側(cè)重主從句動(dòng)作同時(shí)或幾乎同時(shí)進(jìn)行，從句的動(dòng)作可以是持續(xù)性的，也可以是短暫的。如：Sometim

4、esIwatchTVasIamhavingbreakfast4）when和while還可以是并列連詞，意思分別是“就在這時(shí)”，“然而”。如：IwashavingarestonthesofawhenthetelephonerangTheyweresurprisedthatachildshouldwkouttheproblemwhiletheycouldn’t.注：并列連詞when常用與以下句型中：①…wasweredoing…when…（

5、正在做…突然）②…waswereabouttodo…when…（剛要做…突然）33）Itishasbeen時(shí)間段since…（自從…以來有…）Itishasbeen3yearssincewelastmet.突破點(diǎn)：一看be動(dòng)詞的時(shí)態(tài)，二看時(shí)間段還是時(shí)間點(diǎn)。注意：在“Itishasbeen時(shí)間段since…”句型中，從句的動(dòng)詞必須是短暫性的，如果是延續(xù)性的動(dòng)詞，時(shí)間要從從句的動(dòng)作結(jié)束時(shí)算起。如：Itis3yearssinceIsmoked

6、.(我戒煙有三年了)補(bǔ)充：補(bǔ)充：assoonasimmediatelydirectlyinstantlythemomenttheminutetheinstantnosooner…than…h(huán)ardlyscarcely….when….和once這些從屬連接詞引導(dǎo)的從句都表這些從屬連接詞引導(dǎo)的從句都表示從句的動(dòng)作一發(fā)生，主句的動(dòng)作隨即就發(fā)生，常譯為示從句的動(dòng)作一發(fā)生，主句的動(dòng)作隨即就發(fā)生，常譯為“一…就…”。從句中一般時(shí)態(tài)。從句中一般時(shí)態(tài)代

7、替將來時(shí)態(tài)。代替將來時(shí)態(tài)。everytimeeachtimenexttimethefirsttimeanytimeallthetime等名詞短語(yǔ)用來引等名詞短語(yǔ)用來引導(dǎo)時(shí)間狀語(yǔ)從句，表示導(dǎo)時(shí)間狀語(yǔ)從句，表示“每當(dāng)每當(dāng)…..，每次，每次…..；下次；下次……”等。等。練習(xí)題練習(xí)題1.Itwasquiet________thosebigtrucksstartedcomingthroughthetown.A.befeB.afterC.unti

8、lD.unless2.Itseemedonlyseconds________theboyfinishedwashinghisface.A.whenB.befeC.afterD.evenif3.Hardlyhadhereachedtheschoolgate________thebellrang.A.whileB.whenC.asD.assoonas4.Weweretoldthatweshouldfollowthemainroad_____

9、wereachedthecentralrailwaystation.A.wheneverB.untilC.whileD.wherever5.Irecognizedyou________Isawyouattheairpt.A.themomentB.whileC.afterD.once6.Hewasabouttogotobed________thedobellrang.A.whileB.asC.befeD.when7.________Ili