1状语从句分类状语从句一般分为九大类时间状语从句地点状语从句原因状语从句目的状语从句结果状语从句条件状语从句方式状语从句比较状语从句让步状语从句(一).时间状语从句常见的从属连词有:(注意其汉语意义)when,while,as,before,after,since,until(till),once,assoonas,themoment,theminute,immediately,directly,each/everytime,thefirsttime,thelasttime,nexttime,bythetime,whenever等。如:WhenIgottotheairport,theplanehadalreadytakenoff.(主先从后)(短暂性)WhenIlivedthere,IusedtogototheseasideonSundays.(同时)(持续性)(二).条件状语从句常见的从属连词有:if,unless,as/solongas,as/sofaras,onconditionthat,incase(以防;万一),themore…,themore…等。如:Ifitrains,youcancallme.Don’tcallmeunlessitrains.(三).原因状语从句常见的从属连词有:because,since,nowthat,as等。如:Sinceeverybodyishere,let’sbeginourmeeting.Itmusthaverainedlastnight,forthegroundiswet.(四).让步状语从句常见的从属连词有:though,although,as,evenif/though,nomatterwh-,wh-ever,whether…or…等。2如:Howeverlateheis,hisfamilywillwaitforhimtohavedinnertogether.Whetheritisfineornot,Iwillgoboating.(五).地点状语从句常见的从属连词有:where,wherever等。如:Putthebookwhereitis.Whereveryouare,takeyourcellphone.(七).方式状语从句常见的从属连词有:as,asif/though等.如:Hetalksaboutthemoonasifhehadbeenthere.(从句动作先发生)Shetreatedtheboyasifhewere/washerownchild.(主从句动作同时发生)(八).目的状语从句常见的从属连词有:sothat,that,inorderthat,incase(以免),forfearthat等。如:Moststudentsgotocollegesothattheycanbeengineers,teachersorchemists.(九).结果状语从句常见的从属连词有:so…that,such…that等。如:Itissuchfineweatherthatweallwanttogotothepark.Tomstudiedveryhardsothathepassedtheexam.