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1、Unit6Anoldmantriedtomovethemountains单元语法专练状语从句状语从句在复合句中修饰主句中的谓语动词、形容词或副词。状语从句一般由从属连词引导。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。状语从句分类如下:类型引导连词时间状语从句when,before,after,as,while,assoonas,since,not...until...,whenever等原因状语从句because,as,since等条件状语从句if,unless等比较状语从
2、句as/so...as...,than等结果状语从句so...that...等目的状语从句inorderthat,sothat等让步状语从句although,eventhough等本单元着重介绍了以下三种状语从句。1.unless引导的条件状语从句。unless意为“如果不;除非”,相当于if...not。例如:We’llgotothetownunlessitrainstomorrow.=We’llgotothetownifitdoesn’traintomorrow.假如明天不下雨,我们就去城里。注意
3、:unless和if引导条件状语从句时,从句用一般现在时表示将来,而主句则用一般将来时,即遵循“主将从现”原则。2.assoonas引导的时间状语从句。assoonas意为“一……就……”,表示从句和主句的动作先后发生,间隔短暂。例如:Thestudentsbecamequietassoonastheteachercamein.老师一进来,学生们就安静下来了。注意:在条件状语从句和时间状语从句中,也可遵循“主将从现”原则。例如:I’llcalltoyouassoonasIgetthere.我一到那里就
4、给你打电话。3.so...that...引导的结果状语从句。so...that...意为“如此……以至于……”,其中so后接形容词或副词,也可用few,little,many,much等来修饰名词表示程度,that后的从句表示结果。例如:Hewassohappythatheforgotthetime.他太高兴了,以至于忘了时间。Ⅰ.用方框中所给的连词填空not...until,unless,because,assoonas,so...that1.Theteais so hot that Ican’td
5、rinkitnow. 2.Thebabygirlstoppedcrying assoonas shesawhermother. 3.Myteachergoestoworkontime unless heisill. 4.Samdid not gobackhome until itwasteno’clocklastnight. 5.Wehadtostayathome because itrainedhardoutside. Ⅱ.单项填空(D)1.Annawas sad shedidn’twa
6、nttoeatanything. A.too;toB.such;thatC.enough;toD.so;that(B)2.—Didyouwinthegameyesterday?—Notreally. wealltriedourbest,welostit. A.IfB.ThoughC.UnlessD.But(C)3.It’sagoodhabittowashyourhands youhavemeals. A.unlessB.whileC.beforeD.when(A)4.Lastnight,t
7、heshopwasclosed shedidn’tbuyanychocolate. A.soB.ifC.orD.when(D)5.I’llgotovisitmyauntinEngland thesummerholidaystarts. A.whileB.sinceC.untilD.assoonas
