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1、状语从句时间状语从句地点状语从句原因状语从句结果状语从句方式状语从句让步状语从句比较状语从句条件状语从句目的状语从句时间状语从句引导词:1)when,while,as2)after,before,since,bythetime3)till,until,not…until4)assoonas,themoment,theminute,thesecond,immediately,directly,nosooner…than,hardly…when5)everytime,eachtime,thefirsttime…whenwhileas点时间/段时间段时间,主从句动作
2、同时发生一边…一边1)Whenthefilmended,thepeoplewenthome.2)While/whenIwasatcollege,Imadealotoffriends.3)Ashewalked,hesangsongs.4)Hemilkedashewhistled.when正在那时引导条件状语从句=if引导条件状语从句=sincewas/weredoing…whenwas/wereabouttodo…whenwas/wereonthepointofdoing…whenhad(not)done…when1)Iwasreadingwhentherewa
3、saknockonthedoor.2)Iwasabouttoleavewhenthetelephonerang.3)Iwasonthepointofgivingupwhenthecaptaintookchargeandencouragedustosavethesinkingship.4)Ihadn`tfinishedmybreakfastwhenhecameinwithatooth-brushstillinhishandasifhehadsomethingveryimportantthingtotellme.我正沿河边走,突然听到了一个溺水儿童的求救声.我正准
4、备离开,这时候天突然下起了雨.我刚刚写完试卷,这时铃声响了,宣布了下课.IwaswalkingalongtheriverwhenIheardadrowningboycryingforhelp.Iwasabouttoleavewhenitbegantorain.Ihadjustfinishedmyexampaperwhenthebellrang,announcingtheclasswasover.Whenthereisnogravity,wewillhavenoideaof“up”or“down”atall.1)Whydoyouwanttofindanother
5、jobwhenyoualreadyhaveone?2)It`sfoolishoftotakeataxiwhenyoucouldeasilywalkthereinfiveminutes.while对比引导让步状语从句=although1)Heistallwhilehisbrotherisshort.2)Mymotherwascookingwhilemyfatherwasreadinganewspaper.3)WhileIadmitthattheproblemisdifficult,Idon`tthinkthattheycan`tbesolved.4)WhileI
6、wasangrywithher,Ididn`tlosemytemper.before在…之前没来得及…就…过了多久才…1)Beforehelenthisbooktome,Ihadboughtone.2)Therooffellbeforehehadtimetodashintotheroomtosavehisbaby.3)Theyhadwalkedabout30milestothewestbeforetheysawavillage.Itwas+一段时间+beforeItwasnot+一段时间+beforeItwill(not)+一段时间+before过了多久才…不
7、久就…才…Itwasnotlongbeforehesensedthedangeroftheposition.我还没来得及阻止他,他已经跑了.使我非常失望的是,我还没来得及和我最喜欢的歌手打声招呼,她就已经离开了.BeforeIcouldstophim,heranoff.Tomygreatdisappointment,myfavoritesingerleftbeforeIcouldhaveawordwithhim.3.他们日夜不停地工作了三天,才使一切恢复正常.4.他三天后才回来.Theyworkeddayandnightaboutthreedaysbefore
8、everythingreturnedt
