AdverbialClause准确掌握每一个连词的含义是掌握状语从句的关键。状语从句一般分为九大类1.原因状语从句Because---因为,通常从句放在主句后.IdoitbecauseIlikeit.As---因为,通常放在句首Since---既然因语气较弱,常译为既然Nowthat---既然consideringthat---顾及到seeingthat---由于5比较状语从句As…as…---像……一样Notso(as)…as…---不像………than…---比……怎么样，用于事物间的比较，more后面用形容词或副词Abeautifulformisbetterthanabeautifulface;abeautifulbehavior(is)thanabeautifulform.Themore…,themore---越……越8.让步状语从句Although,though---虽然although和though可以互换，但although常放在句首。Though可以用于倒装。Thoughhedidhisbest,hedidn’tsucceed.As---尽管as引导让步状语从句时，句子通常倒装。可与though互换。Evenif/eventhough---即使EventhoughImightbewrong,Iwillgomyway.However---不论，however引导让步状语从句时，句子通常倒装Nomatter(what,when,where,how)---无论（什么，何时，何地，怎样）Hewouldn’tforgivemenomatterhowhardIbeggedhim.Whatever---不管While---尽管Whether---不管，常与ornot连用9.方式状语从句as---与……一样、since/beforeItis+sometime+since+did(点时间)did如果是延续性，则表该动作终止以来多长时间了。Wehaven’tseeneachothersinceIworkedinthefactory.(自从我不在工厂上班以来………)before用法：1、Itwas+sometime+before+did两个小时以后药才起作用。2、没来得及我没来得及接电话，他就挂了。HehungbeforeIcouldanswerthephone.1易混、易错点(1)when/as/whileHehurriedhome,lookingbehind______hewent.______youhaveseenhim,youwouldbehappy.______Iwaswaitingforthebus,Imetwithafriend.总结:1)as表示主从句动作___发生,译成_______2)while从句只能跟_____动词,常用______时引申义:WhileIaccepttheproblemisdifficult,Idon’tthinkIwon’tworkitout.Somepeoplewastefoodwhileothershaven’tenough.Asmodernindustryisdeveloping,thereismoreandmorepollution.YoungasIam,Iknowalot.JustdoasItoldyouto.Aseverybodyishere,let’sbegin.2)till/untilWewillworkharduntilTangZhangMiddleSchoolbecomesfamousalloverthecountry.否定Wewon’tgiveupuntilTangZhangMiddleSchool---倒装______________________________________强调_______________________________________