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1、高一英语语法知识（7）状语从句（2）（AdverbialClauses）状语从句主要用来修饰主句或主句的谓语。今天我们接着讲另外七种状语从句：条件、让步、地点、目的、结果、比较和方式状语从句。一、条件状语从句1.引导条件状语从句的从属连词主要有if,unless,as/solongas，onconditionthat等。注意：主句与原因状语从句的时态原则是主将从现Don’tcomeunlessItelephone.Ifyouwatchcarefully,youwillseehowtodoit.Aslongasyoudoyourbest
2、,we’llbehappy.2.incase也可引导条件状语从句，其意为“如果”、“万一”。如：IncaseIforget,pleaseremindmeaboutit.二、让步状语从句引导让步状语从句的从属连词主要有although,though,as,while(虽然),evenif/though(即使),whether…or…(不论/不管…还是…)以及“疑问词+ever”和“nomatter+疑问词”等。1.although,though引导让步状语从句。如：Thespeechisgood,thoughitcouldbebette
3、r.Although/Thoughtheyarepoortheyarehappy.注：表示“虽然”的though,although不可与but连用，但可与yet,still连用。2.as也可引导让步状语从句，但要将名词、形容词、副词或动词等提到as前，若提前的是单数可数名词，要省略a/an。如：Teacherasheis,hecan’tknoweverything.Tryashedoes,hewon’tpasshisexam.Fastasheran,hecouldnotcatchupwithhisclassmates.Youngash
4、eis,hehasmadegreatprogressinthisfield.3.连词while有时也可表示“尽管”、“虽然”，引导让步状语从句,常置于句首。如：Whilewedon’tagreewecontinuetobefriends.4.whatever,whoever,however,whenever,wherever,或nomatter+疑问词引导让步状语从句。如： However(=Nomatterhow)tiredyoumaybe,youmustdoittoday. Wherever(=Nomatterwhere)Iam,
5、Iwillbethinkingofyou.Don’tloseheartwhateveryoudo.Whoeveryouare,youcan’tpassthisway.5.evenif/though引导让步状语从句。I’llgoevenif/thoughitsnows. 6.whether…ornot引导状语从句。Whetheryoubelieveitornot,itistrue. 三、地点状语从句引导地点状语从句的从属连词主要有where(在…的地方),wherever(无论什么地方),everywhere(每个…地方),any
6、where(任何…地方)。如：7I’mnotlivingwhereIwas.我不在原处住了。Youcan’tcampwhere[wherever,anywhere]youlikethesedays.EverywhereIgo,Ifindthesamething.四、目的状语从句1.引导目的状语从句的从属连词主要有inorderthat,sothat,incase,forfearthat等。如：IhiredaboatsothatIcouldgofishing.Takeyourcoatincaseitrains(shouldrain).H
7、estudiedhardinorderthathecouldpasstheexam.2.引导目的状语从句的sothat有时可省so或that，即单独用so或that来引导目的状语从句，常与can,may或beableto连用。如：Checkcarefully,soanymistakecanbecaught.BringitcloserthatImightseeitbetter.五、结果状语从句引导结果状语从句的从属连词主要有sothat,so…that,such…that等。如：Hewassoangrythathecouldn'tspe
8、ak.Heshutthewindowwithsuchforcethattheglassbroke.注：so…that和such…that中的that有时(尤其在口语中)可省略。六、比较状语从句引导比较状语从句的从属连词主
