SectionⅣGrammar&Writing一、定义状语从句(AdverbialClauses)指用作状语，起副词作用的句子。根据其作用可表示时间、地点、原因、条件、目的、结果、让步、方式和比较等。状语从句一般由从属连词引导，也可以由词组引导。从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。二、状语从句的分类类型连接词例句时间状语从句常用引导词：when,as,while,assoonas,before,after,since,till,until特殊引导词：theminute,themoment,thesecond,everytime,theday,theinstant,immediately,instantly,directly,nosooner...than,hardly...when,scarcely...whenThechildrenranawayfromtheorchard(果园),themomenttheysawtheguard.NosoonerhadIarrivedhomethanitbegantorain.EverytimeIlistentoyouradvice,Igetintotrouble.地点状语从句常用引导词：where特殊引导词：wherever,anywhere,everywhereGenerallyspeaking,airwillbeheavilypollutedwheretherearefactories.Whereveryougo,youshouldworkhard.原因状语从句常用引导词：because,since,as特殊引导词：seeingthat,nowthat,inthat,consideringthat,giventhatNowthateverybodyhascome,let’sbeginourconference.目的状语从句常用引导词：sothat,inorderthat特殊引导词：lest,forfearthat,inthehopethat,forthepurposethatThebossaskedthesecretarytohurryupwiththeletterssothathecouldsignthem.结果状语从句常用引导词：so...that,such...that,sothat特殊引导词：tothedegreethat,totheextentthat,tosuchadegreethatHegotupsoearlythathecaughtthefirstbus.It’ssuchagoodchancethatwemustnotmissit.条件状常用引导词：if,unlessYouwillcertainlysucceedso状语从句语从句特殊引导词：as/solongas,onlyif,providing/providedthat,supposingthat,incasethat,onconditionthatlongasyoukeepontrying.Providedthatthereisnoopposition,weshallholdthemeetinghere.让步状语从句常用引导词：though,although,evenif,eventhough特殊引导词：as(用在让步状语从句中必须要倒装),while(一般用在句首),nomatterwh，inspiteofthefactthat,whatever,whoever,wherever，whenever,however,whicheverMuchasIrespecthim,Ican’tagreetohisproposal.Theoldmanalwaysenjoysswimmingeventhoughtheweatherisrough.Nomatterhowhardhetried,hecouldnotchangehermind.比较状语从句常用引导词：as(同级比较),than(不同程度的比较)特殊引导词：themore...,themore...;justas...,so...Thehouseisthreetimesasbigasours.Themoreyouexercise,thehealthieryouwillbe.Foodtomeniswhatoilistomachine.方式状语从句常用引导词：as,asif,howWheninRome,doastheRomansdo.Shebehavedasifsheweretheboss.[考题印证1]1－1(2012·重庆高考)—Coach,canIcontinuewiththetraining?—Sorry,youcan’t________youhaven’trecoveredfromthekneeinjury.A．untilB．beforeC．asD．unless解析：选C。考查连词的用法。根据句意“教练，我可以继续训练吗？”“很抱歉，不可以，因为你的膝盖受伤还没有恢复过来”可知，此处应用引导原因状语从句的连接词as。故选C项。1－2(2012·天津高考)Everythingwasplacedexactly________hewanteditforthegraduationceremony.A．whileB．whenC．whereD．though解析：选C。考查状语从句。句意：在毕业典礼上，一切东西都放在他想放的位置。此处where引导地点状语从句。1－3(2012·辽宁高考)Leaveyourkeywithyourneighbor________youlockyourselfoutoneday.A．aslongasB．eventhoughC．incaseD．asif解析：选C。考查连词。句意：把你的钥匙留给你的邻居，以防你把自己锁在外面了。aslongas“只要”；eventhough“尽管”；incase“以防”；asif“好像”。所以选C。1－4(2012·陕西高考)Hot________thenightairwas,wesleptdeeplybecauseweweresotiredafterthelongjourney.A．althoughB．asC．whileD．however解析：选B。考查倒装句。句意：尽管夜间的空气很热，但我们睡得很沉，因为长途旅行之后，我们太累了。as引导让步状语从句时，从句...
