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1、2019-2020年高考英语一轮复习第18讲状语从句经典精讲练习（上）开篇语开心自测开心自测讲解题一：Jackwasn’tsayinganything,buttheteachersmiledathim___hehaddonesomethingveryclever.A.asifB.incaseC.whileD.though题二：Toshowourrespect,weusuallyhavetotakeourglovesoff______wearetoshakehandswith.A.whicheverB
2、.wheneverC.whoeverD.wherever题三：__________allofthemarestrongcandidates,onlyonewillbechosenforthepost.A.SinceB.WhileC.IfD.As题四：____regularexerciseisveryimportant,it’sneveragoodideatoexercisetooclosetobedtime.A.ItB.AsC.AlthoughD.Unless主要考点梳理地点状语从句地点状语从句通常
3、由where,wherever引导。Wherethereisawill,thereisaway.Whereveryougo，I’mrightherewaitingforyou.方式状语从句方式状语从句通常由as,(just)as...so...,asif,asthough引导。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。Alwaysdototheothersa
4、syouwouldbedoneby.Aswateristofish,soairistoman.Justaswesweepourrooms,soweshouldsweepbackwardideasfromourminds.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”。Theypletelyignorethesefactsasif(asthough)theynev
5、erexisted.Helooksasif(asthough)hehadbeenhitbylighting.Itlooksasiftheweathermaypickupverysoon.原因状语从句比较because,since,as和for的用法：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,wehavetod
6、elayourjourney.由because引导的从句如果放在句末，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.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/inorderthatyo
7、ucanbeheardbyall.Hewrotethenamedownforfearthat(lest)heshouldforgetit.Bettertakemoreclothesincasetheweatheriscold.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’tgoto.条件状
8、语从句连接词主要有if,unless,as/solongas,onconditionthat等。Let’sgooutforawalkunlessyouaretootired.Ifyouarenottootired,let’sgooutforawalk.让步状语从句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.H
