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1、英语高考专题复习讲与练13状语从句一、考点聚焦1、时间状语从句(1)as、whcn>while用法一览表。类别作用例句asas表示“当……的时候"，往往和when/while通用，但它著重强调主句与从句的动作或事情同时或几乎同时发生。ShecameupasIwascooking•（同时）Therunnersstartedasthegunwentoff.（几乎同吋）when(atorduringthetimethat)既可以表示在某一点的时候，乂可表示在某一段时间内，主句与从句的动作或事情可以同时发生也可以先后发Itwasrainingwhenwearrivcd・（指吋间点）Whenw
2、ewereatschool,wewenttothelibraryeveryday.（在一段时间内）whilewhile意思是“当......的时候”或“在某一•段时间里主句中的动作或事情在从句中的动作或事情的进展过程中发生，从句中的动词一般要用延续性动词。在when表示aperiodoftime时,两者可以互换。Pleasedon'ttalksoloudwhileothersareworking.Hefellasleepwhile/whenreading.Strikewhiletheironishot.（用as或when不可,这里的while意思是“趁……J（2）引导时间状语从句的连
3、接词除上述外还有：①till,not.・・until・・・,until,before,sinceDon9tgetoffthebusuntilithasstopped・Hewaitedforhisfatheruntil（till）itwastwelveo'clock.before的有关句型Itwillbe+段时间+before+从句（—•般现在时）“要过才"ItwillbefiveyearsbeforehereturnsfromEngland.Itwon^belongbefore+从句（一般现在时）"不久…就会”Itwon'tbelongbeforeherecoversfromthei
4、njury.Itwas3yearsbeforeheregainedthelovefromhisparents・Itwasn^tlongbeforethewholenationroseuptodrivetheenemyoutoftheircountry.HerangoffbeforeIcouldanswerit.②hardly/scarcely・・•when,nosooner・.・than,assoonasonce表示"一就”AssoonasIhavefinishedit,IT1giveyuacall.Onceyoushowanyfear,hewillattackyou.Wehadha
5、rdlygot/Hardlyhadwegotintothecountrywhenitbegantorain.Nosoonerhadhearrived/Hehadnosoonerarrivedthanshestartedcomplaining,©directly,immediately,themoment,theminutethat...一就Hemadeforthedoordirectlyheheardtheknock.©eachtime,everytime,nexttime,anytime,bythetimeEachtimehecametomycity,hewouldcallonme
6、.⑤theday,thetime,thefirst（second,third...）time,thespring（summer,autumn,winter）Hismotherdiedthespringhereturned・注意：表示未來情况，主句用将來时，从句用现在时。在时间和条件从句屮，主句是一般将来时，从旬通常用一般现在时表示一般将来或者用现在完成表示将来完成。e.g.We'llgooutingifitdoesn'traintomorrow.FllwritetoyouassoonasIgettoShanghai.Don'tgetoffthebusuntilthebushassto
7、pped.2、让步状语从句(1)although与though口J以引导让步状语从句,不能与but连用，但可以与yet连用。Althoughtheyarepoor,(yet)theyarewarm-hearted.(2)evenif或eventhough引导讣步状语从句，表示“即使”，“纵然”，用来使人注意下文所强调内容的性质。Fllgetthereevenif(though)Ihavetosellmyhousetogetenoughmoneytogoby
