1、中考语法复习系列状语从句的定义状语从句的定义u 在复合句中做状语u 可以用来修饰谓语（包括非谓语动词）、定语、状语或整个句子。We became superheroes suddenly.（）（）（）主语 谓语宾语We became superheroes after we watching Avengers.二状语从句的种类类别连词类别连词 时间状语从句时间状语从句when,while,as,before,after,since,until,as soon as.条件状语从句条件状语从句if,unless,as(so)long as.原因状语从句原因状语从句because,since,as,
2、for,.结果状语从句结果状语从句sothat,suchthat.目的状语从句目的状语从句in order that(为了，以便为了，以便),so that.让步状语从句让步状语从句though,although,even if,even though.说明动作或状态发生、存在的时间。.1.when和和 while的区别的区别.when和和 while的区别的区别While Tom was watching TV,his wife was cooking.when和和 while的区别的区别1.He was about to go to bed _ the doorbell rang.A.wh
3、ile B.as C.before D.when2._ John was watching TV,his wife was cooking.A.As B.As soon as C.While D.TillDC.。I slept until midnight.我一直睡到半夜时醒了She didnt arrive until 6 oclock.她直到6点才到。As soon as I reach Canada,I will ring you up.我一到加拿大，就给你来电话。随堂练习 。1.Tom will call me as soon as he _ Shanghai.A.arrivesB.w
4、ill arrive C.arrives inD.get to2.He _ home _ she was satisfied _ his answer yesterday.A.didnt go;until;withB.wasnt go;after;toC.doesnt go;before;withD.didnt go;until;to.Bill went to bed _ he finished his homework last night.A.while B until C.before D.ater 4.My family always go somewhere interesting
5、_ the holiday begins.A.so B.so that.C as soon as D.even though5.Everyone should start exercising _ its too late.A.before B.until.C since D.after CADCA2.条件 。(1)条件状语从句通常由if,unless引导。例如：What shall we do if it snows tomorrow?Dont leave the building unless I tell you to.(2)在条件状语从句里，谓语动词通常用现在时态表示将来的动作或状态。
6、例如：Ill help you with your English if am free tomorrow.He wont be late unless he is ill.原因 (1)原因状语从句通常由because,since,as引导。例如：He didnt come to school because he was ill.Since you cant answer the question,Ill ask someone else.(2)because表示直接原因，语气最强。Because引导的原因状语从句多放在主句之后。回答由why提出的问题，只能用because。As和since
7、语气较弱，一般用来表示明显的原因。由as和since引导的原因状语从居多放在句首。例如：-Why arent going there?-Because I dont want to.As he has no car,he cant get there easily.注意：注意：because和so不能同用在一个句子里。4.结果 结果状语从句表示的一种结果，常用的连词：sothat;suchthat表示如此以至于 sothat：1.so+形容词副词that 2.so+形容词a(an)单数名词that 3.somany/much复数名词（不可数名词）+that suchthat：1.sucha(a
8、n)形容词名词that2.such形容词复数名词不可数名词that4.结果 结果状语从句表示的一种结果，常用的连词：sothat;suchthat表示如此以至于1.他们都太可爱了以至于每个人都喜欢他们。They are _ lovely _ everyone likes them.2.他们是如此可爱的孩子所以每个人都喜欢他们。They are _ lovely kids _ everyone likes them.so that such that 5.目的 目的状语从句常由so that,in order that,in order to等词 引导，目的状语从句常用助动词may（might）
9、,shall（should）,will（would）,can(could)。目的状语从句常放于主句之后.1.你要讲得清楚，他们才听得懂。Speak clearly so that they may understand you.2.他讲得很慢以便人人能听懂。He spoke slowly in order that everyone should understand.He spoke slowly in order to make everyone understand.注意：in order that后接句子，in order to后接词组，动词。6.让步 让步状语从句：表示“虽然，尽管，
10、即使”等概念，常用的关联词有：though,although,even though,no matter,even if等。1.尽管这环境很差,他们还是很喜欢。_ its hard work,I enjoy it2.不管工作多么艰难,他都从不放弃。_ _ how hard the work was,he never gave it up3.Kate went to school _ it rained heavily yesterday.A.thoughB.if C.but D.sinceThough/Even though/Even if/AlthoughNo matter A巩固训练 。1
11、.Ill run slowly _ you can catch up with me.A.thatB.to C.in order that D.and2.Hurry up,we have to get to the station before 11:45 _ I can catch the 12:00 train.A.since B.after C.as soon as D.so that3 He has been a teacher _ he came to the country.Asince B.untilC.as D.when 随堂练习 。4.its difficult to mak
12、e her dream come true,she never gives up.A.Though B.Unless C.Because D.If5.Its quite common in Britain to say“Thank you”to the drivers _people get off the bus.A.After B.since C.until D.when6.Your dream wont come true you know what your dream is.A.After B.unless C.while D.sinceDB随堂练习 。7.Lots of peopl
13、e exercise every morning _ bad weather stops them.A.if B until C.since D.unless.8.WeChat Pay makes our life convenient.We can buy things _ we dont take any cash.A even if B so that C.because D.unless9.Sandy had to refuse a second piece of cake _ she had an upset stomach.A.while B.because C if D.unle
14、ss.DAB随堂练习 10.His mother was _ busy _ she cant look after Tom.A.so,that B.such,that C.very,that D.too,to11.He didnt go to work _ the heavy rain.A.becauseB.since C.because ofD.so12.Please answer the question in a loud voice _all the class can hear you.A.so that B.sothat C.though D.because AA时间状语从句时间状语从句when,while,as,before,after,since,until,as soon as.条件状语从句条件状语从句if,unless,as(so)long as.原因状语从句原因状语从句because,since,as,for,.结果状语从句结果状语从句sothat,suchthat.目的状语从句目的状语从句in order that(为了，以便为了，以便),so that.让步状语从句让步状语从句though,although,even if,even though.状语从句状语从句
