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1、专题九 状语从句一、地点状语从句地点状语从句通常由where,wherever引导。Wherethereisawill,thereisaway.Whereveryougo，I'mrightherewaitingforyou.二、方式状语从句方式状语从句通常由as,(just)as...so...,asif,asthough引导。1．as，(just)as...so...引导的方式状语从句通常位于主句后，但当(just)as...so...结构位于句首时，as从句带有比喻的含义，意思是“正如；就像”，多用于正式文体。Alwaysdototheot
2、hersasyouwouldbedoneby.Aswateristofish,soairistoman.Justaswesweepourrooms,soweshouldsweepbackwardideasfromourminds.2.asif,asthough两者的意义和用法相同，引出的状语从句谓语多用虚拟语气，表示与事实相反；有时也用陈述语气，表示所说情况是事实或实现的可能性较大。译作“仿佛……似的；好像……似的”。Theycompletelyignorethesefactsasif(asthough)theyneverexisted.Hel
3、ooksasif(asthough)hehadbeenhitbylighting.Itlooksasiftheweathermaypickupverysoon.三、原因状语从句比较because,since,as和for的用法：1．because语势最强，用来说明人所不知的原因，回答why提出的问题。当原因是显而易见的或已为人们所知的，就用as或since。Ididn'tgo,becauseIwasafraid.Since/Astheweatherissobad,wehavetodelayourjourney.2．由because引导的从句如果
4、放在句末，且前面有逗号，则可以用for来代替。如果不是说明直接原因，而是多种情况加以推断，就只能用for。Heisabsenttoday,because/forheisill.Hemustbeill,forheisabsenttoday.四、目的状语从句表示目的状语的从句可以由sothat,inorderthat,lest,forfearthat,incase等词引导。Youmustspeakloudersothat/inorderthatyoucanbeheardbyall.Hewrotethenamedownforfearthat(lest
5、)heshouldforgetit.Bettertakemoreclothesincasetheweatheriscold.五、结果状语从句结果状语从句常由so...that或such...that引导。so...that与such...that之间可以转换。Theboyissoyoungthathecan'tgotoschool.Heissuchayoungboythathecan'tgotoschool.六、条件状语从句连接词主要有if,unless,as/solongas,onconditionthat等。Let'sgooutforawa
6、lkunlessyouaretootired.Ifyouarenottootired,let'sgooutforawalk.七、让步状语从句1.though,although引导的让步状语从句，后面的从句不能有but，但是though和yet可连用。Althoughit'sraining,theyarestillworkinginthefield.Heisveryold,buthestillworksveryhard.Thoughthesoreishealed,yetascarmayremain.2．as,though引导的让步从句必须将表语或
7、状语提前(形容词、副词、分词、实义动词原形提前)。Childas/thoughhewas,heknewwhatwastherightthingtodo.3．everif,eventhough“即使”。We'llmakeatripeventhoughtheweatherisbad.4．whether...or...“不管……都”。Whetheryoubelieveitornot,itistrue.5．“nomatter＋疑问词”或“疑问词＋－ever”。Nomatterwhathappened,hewouldnotmind.＝Whateverha
8、ppened,hewouldnotmind.高考对状语从句的考查主要体现在省略，时态的替代，语序的倒装以及连词的辨析四个方面。1．成分的省略(1)在时
