1、初中英语状语从句 内容基本要求能力提升状语从句1. 掌握引导状语从句的连词2. 了解状语从句的类型3. 掌握状语从句中的时态1.熟练掌握中考常考的状语从句的类型2.掌握since，though，while等连词的多重含义3.区分不同连词的用法，如when/while/as, sothat等状语从句在复合句中作状语，修饰动词、形容词或副词等。状语从句由从属连词引导，与主句连接，位于句首时，常与主句用逗号分开，位于句末时，其前一般不用逗号。状语从句可分为时间状语从句、原因状语从句、结果状语从句、目的状语从句、条件状语从句、让步状语从句、方式状语从句等。时间状语从句when, while, as,
2、as soon as, since, until/till, after, before条件状语从句if, unless，so long as原因状语从句as, because, since，for地点状语从句where，wherever目的状语从句so that, in order that(to)，in case结果状语从句so that, sothat, suchthat让步状语从句though, although, even if, even though方式状语从句as, as if/though比较状语从句than, (not) asas一、时间状语从句引导时间状语从句的连接词主要
3、有when, while, as, by the time, before, after, since, till/until, as soon as 等。1连词when，while 和as 都可表示”当时候”,但用法有区别：（1）when 既可表示某一时间点，也可以表示某一段时间，其谓语动词可以是延续性的，也可以是非延续性的，when引导的时间状语从句多用一般时态。例：I was reading a book when she came into my room. （came为非延续性动词）When the sun rises, the farmers work in the fields.
4、（2）while 只能表示某一段时间，不能表示某一时间点。其谓语动词只能是延续性的，while 引导的时间状语从句多用进行时态。例： While Jim was mending his bike, Lin Tao came to see him.（）While Lin Tao came to see him, Jim was mending his bike. （）When Lin Tao came to see him, Jim was mending his bike. You cant do your homework while youre watching TV.（3）as 意为“一
5、边一边”或“与同时”，重在表示动作同时发生、伴随进行。例：As he grew older, he became more intelligent.【真题链接】1. I was sleeping in my bedroom the postman knocked at the door. A. when B. while C. as soon as 2. We were walking they were dancing.A. when B. while C. as soon as2连词before, after, since, until(till) 当他们表示时间时，他们既是介词又是连词。
6、例：beforeHe usually drinks a cup of tea before he goes to school.（连词）He usually drinks a cup of tea before going to school.（介词） afterHe usually drinks a cup of coffee after he comes back from school.（连词）He usually drinks a cup of coffee after coming back from school. （介词）sinceI have lived in Chengdu
7、since my son was born in 1999.（连词）通常情况下，主句用现在完成时，从句用一般过去时。I have lived in Chengdu since 1999.（介词）until / tillI will wait here until(till) you finish your job.（连词）I will wait here until(till) 8pm.（介词）3.当主句是一般将来时或祈使句，表示将来的意义时，从句用一般现在时。（主将从现，主祈从现）例： Ill ring you up as soon as I get to Beijing.【真题链接】1.P
8、leaseholdontoyourdreamonedayitcomestrue.A.if B.until C.unless2. I will send you an e-mail as soon as I in Canada. A. arrive B. am arriving C. will arrive3. AmywasreadingabookIcamein.A.when B.while C.though4.YouhavebeeninNeijiangverylong?Yeah._myparentscamehere.A. When B.As C.Since二、原因状语从句连接原因状语从句的连接
9、词有because, since, as 和for1. 关于because(1) because 表示的原因是必然的因果关系，语气最强，通常放在主句之后。例：we stayed at home because it rained.(2) 回答why 提出的问题，只能用because, 不能用其余三者。如：A：Why cant I go?我为什么不能去？B：Because you are too young. 因为你太年轻了。2. 关于since 和 assince和as表示的原因是人们所知的，是对已知事实提供理由，而不表示直接原因。since比as语气稍强，两者通常都放在主句之前。如：Sinc
10、e you feel tired, you should rest. 既然你感到累了，你应该休息。As he was not well, I decided to go without him. 因为你身体不好，我决定独自去。3. 关于for for “因为,由于”表明附加或推断的理由，引导的分句前常有逗号。for分句不放句首.是用来附带解释或说明前一分句的原因和理由。例如： It must have rained last night, for the ground is wet. I wont go in, for my father is there.【真题链接】用连词because,
11、since, as ,for 填空1. I didnt go I was afraid.2. the weather is so bad, we have to delay our journey.3. He must be ill, he is absent today.三、条件状语从句连接条件状语从句的连接词主要有if, unless, as/so long as 等。1如果主句的谓语动词用一般将来时，条件从句的谓语要用一般现在时表示将来时。（主将从现）例：Ill wait for you if you come tomorrow.If I am not busy tomorrow, I
12、will play football with you.You wont pass the exam unless you work hard on it.As long as you take my advice, you will pass the exam.2unless = if not.例：Lets go out for a walk unless you are too tired.= If you are not too tied, lets go out for a walk.3.“祈使句+and/or引导的结果状语从句”中，祈使句在意义上相当于一个条件状语从句。例：Use y
13、our head, and youll find a way.【真题链接】1. Iwontwatchbasketballmatches_Jamesisplaying.Hepaysmuchattentiontoteamwork.A.unless B.if C. since2. Dontbecrazyaboutcomputergames,_yourparentswillbeworried.A.and B.or C.but3. Workhard,_youwillsucceed.A.or B.so C.and4. Difficult work easy if you do it very carefu
14、lly. A. become B. will become C. has become5. The children will climb the hill if it tomorrow. A. wont rain B. isnt raining C. doesnt rain四、目的状语从句表示目的状语的从句可以由连接词that, so that, so as to，in order that（to）, for fear that, in case 等词引导。目的状语从句中常含有can, could, may, might, should 等情态动词。注：只有in order to/ in o
15、rder that 可用于句首。例：You must speak louder so that /in order that you can be heard by all.He wrote the name down for fear that he should forget it.Better take more clothes in case the weather is cold.Cherry was walking quickly in order to arrive at the cinema in time.注：通常情况下，so that 等于in order that.【真题
16、链接】1. The teacher speaks very loudly all the students can hear her.A. so that B. because C. since 2.Oneimportantaimofourschoolistoprepareusforthefuture wecanfaceallthechallengeswithconfidence.A.sofar B.sothat C.evenif五、结果状语从句结果状语从句常由so that 或suchthat 引导，掌握这两个句型，首先要了解so 和such 与其后的词的搭配规律。其规律由so 与such
17、的不同词性决定。such【adj.】，修饰名词或名词词组；so【adv.】，只能修饰形容词或副词。so 还可与表示数量的形容词many, few, much, little 连用，形成固定搭配。so + adj./adv.+ that-从句so + adj.+ a/ an + 单数名词+ that-从句so + many/ few +复数名词+ that-从句so + much/ little +不可数名词+ that-从句such +a/an +adj. +可数名词单数+that从句such +adj.+可数名词复数+that从句例：so foolish / such a foolso ni
18、ce a flower / such a nice flowerso many / few flowers / such nice flowersHe has so few friends that he often feels lonely. 他朋友很少，所以经常感到孤独。He drank so much wine last night that he felt terrible. 昨晚他喝了那么多的酒，他觉得很不舒服。sothat 与suchthat 之间的转换既为so 与such 之间的转换。例：The boy is so young that he cant go to school.
19、= He is such a young boy that he cant go to schoolShe is such a nice teacher that all of us love her.= .【真题链接】1. “Imasinger” is_aninterestingTVshow_manypeoplelikewatchingit.A.so;that B.such;that C.so;as 2. LiNais famous allthetennisfansinChinaknowher.A.too;to B. as;as C.so;that3. Theshopswereclosed_
20、Ididntgetanymilk.A.so B.as C.or4.Hewas tired hecouldnotgoonwalking.A.too,to B.such,that C.so,that六、让步状语从句连接状语从句的连接词有though, although，even if, even though 等。注意：当有though, although 时，后面的从句不能有but，但是though 和yet，still连用。例：Although its raining, they are still working in the field. 虽然在下雨，但他们仍在地里干活。John cont
21、inued to work hard even if (even though) he felt sick.【翻译】虽然他很老，但仍然努力地工作。 .注：一般情况下，although等于 , even if等于even though, however等于no matter how, wh-ever等于no matter wh-。【拓展】no matter +疑问词 或疑问词+后缀ever，“无论”引导让步状语从句例：No matter what happened, he would not mind.Whatever happened, he would not mind.替换：no matt
22、er what = no matter when = no matter who = no matter where = no matter which = whichever no matter how = 【真题链接】1. Ithinkhesbeendrinking,_Imnotcompletelysure.A.if B.though C.until2. Howdoyoulikethesportplay?Funny,_themusicofitisnotsogood.A.so B.though C. because3.TheboycanspeakbothEnglishandJapanese_
23、heisonlyten.Wow,whatacleverboy!A.if B.because C.although七、方式状语从句方式状语从句通常由连接词as, (just) asso, as if, as though 引导。1as, (just) asso引导的方式状语从句通常位于主句后，但在(just) asso结构中位于句首，这时as 从句带有比喻的含义，意思是正如，就像，多用于正式文体。例：As water is to fish, so air is to man. 我们离不开空气，犹如鱼儿离不开水。Just as we sweep our rooms, so we should sw
24、eep backward ideas from our minds.正如打扫房屋一样，我们也要扫除我们头脑中落后的东西。You should do your homework as Tom did.2as if, as though 译为仿佛似的，好像似的。例：It looks as if the weather may pick up very soon. 看来天气很快就会好起来。He stared at me as if seeing me for first time. 他目不转睛地看着我，就像第一次看见我似的。He cleared his throat as if to say som
25、ething. 他清了清嗓子，像要说什么似的。【小试牛刀】Shelookssheisill.Aasif Bthough Cbecause八、地点状语从句地点状语从句通常由连接词where, wherever引导。例：Where I live there are plenty of trees. 我住的地方树很多。Wherever I am I will be thinking of you. 不管我在哪里我都会想到你。Where there is water, there is life.Where there is a will, there is a way.有志者，事竟成。Whereve
26、r you go, I will follow you.= . I will go no matter where I can find a good job.= .【小试牛刀】Youshouldletyourchildrenplay_youcanseethem.A.where B. that C.inwhich1until/ till 用于肯定句时，表示”直到为止”，主句中谓语动词必须是持续性动词。例：We shall wait until/ till he comes back. 我们将一直等到他回来。(注意它们的拼写)Everything went well until/ till th
27、at accident happened. 直到发生那意外之前，一切都正常。2 not until/ till 表示”直到才”，主句通常要用短暂动词，这时until和till可以用before 代替。例：I didnt leave until/ till /before she came back. 直到她回来，我才离开的。Bells dont ring till /until you strike them. 铃不打不响。3当not until 位于句首时，主句中的主语、谓语要使用倒装语序。例：Not until she stopped crying did I leave. 直到她不哭了，
28、我才离开的。注：until 引导的从句可以放在主句之前或主句之后，但till 从句一般不放在句首。4在强调句型中一般只能用until，不用till。例：It was not until she took off her dark glasses that I recognized her. 直到她摘下墨镜，我才认出她。【小试牛刀】1. Hey,man.Youcantcrossthestreetnow.Youhavetowait_thetrafficturngreen.Oh,sorryandthankyou.A.when B.until C.while【课堂随练】一、单项选择。1.Youwillbelateforschool_youdontgetupearlyA.but B.if C.and2.Youdbettermakeagoodplan_youtakeaholiday.A.before B.during C.after3.Boysandgirls,calmdow
