中考英语状语从句专项练习

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1、状语从句【考点1】时间状语从句时间状语从句的常见连词连词用法例句when1.意为“当…时”,从句的动词可用延续性动词，也可用非延续性动词2.意为“这时”或“在那时”WhenIcameintotheroom,hewaswritingaletter.IwaswalkingalongthestreetwhensuddenlyTompattedmeontheshoulder.while1.意为“在某一段时间里”，“在…期间”；while引导的动作必须是持续性的2.意为“然而”Whileitwasraining,theywentout.Istayedwhil

2、ehewasaway.Allofusareworkinghardwhileheissleeping.as1.意为“一边...一边”，引导持续性动作，强调主句和从句的动作同时发生2.意为“随着”Hehurriedhome,lookingbehindashewent.Astimegoesby,IlikeChinabetter.before意为“在…之前,才,就”Beapupilbeforeyoubecomeateacher.IfinishedmytaskbeforeIwenthome.after意为“在…之后”Hearrivedafterthegame

3、started.tilluntil1.若主句动词是持续性动作，常用肯定式，表示“直到…为止”2.若主句动词是瞬间动词，要用否定式not…until表示“直…才”Wewaitedtill(until)hecameback.Shedidn’tstopworkinguntileleveno’clock.Notuntileleveno’clockdidshestopworking.since1.意为“自从…以来”，主句常用现在完成时，从句用一般过去时2.it’s+时间+since从句GreatchangeshavetakenplaceinChinasinc

4、e1978.Shehastaughtinthisschoolsinceshecametothiscityin1989.It’sthreeyearssinceshecametothiscity.assoonas意为“一…就”AssoonasIarriveinShanghai,I’llwritetoyou.时间状语从句的时态1.主句一般将来时，从句用一般现在时(主将从现)Theboywillbewriterwhenhegrowsup.2.主语含有情态动词，从句用一般现在时(主情从现)Whenthelightsarered,thetrafficmusts

5、top.3.主句为祈使句，从句用一般现在时(主祈从现)Pleasedon’tgotobedbeforeyoufinishyourhomework.4.主句为一般过去时，从句也用过去时态(主过从过)IlikedreadingwhenIwasyoung.例题1.Themanagerofthehotelwaswaitingatthegate　　    theguestsarrived.A.while　　B.when　　C.unless　　D.after例题2：Bob,dinnerisready.Pleasewashyourhands　　    youea

6、t.A.until　　B.after　　C.while　　D.before例题3：Mr.Blackwalkedaroundandofferedhelp　　    weweredoinganexperiment.A.while　　B.although　    C.until　　D.unless例题4：Mygrandparentswroteletterstokeepintouchwithothers　　    theywereyoung.A.when　　B.since　　C.after　　D.before例题5：—Andy,whencanwestart

7、todiscussthecasegiventoyoulastweek?—I'llbereadytodiscussitwithyou　　    youhavetime.A.whatever　　B.whenever　　C.however　　D.wherever参考答案：BDAAB【考点2】条件状语从句条件状语从句的常见连词连词用法例句if意为“如果”Difficultiesarenothingifwearenotafraidofthem.unless意为“如果不；除非”，unless和if…not同义，通常二者可以换用。Weshallgothereto

8、morrowunlessitrains.=Weshallgotheretomorrowifitdoesn’train.as