思维导图易考易错点总结状语从句包括时间状语从句、地点状语从句、条件状语从句、让步状语从句、原因状语从句、目的状语从句和结果状语从句。

对状语从句的考查主要集中在连接词上， 尤其要重视as, until, before, since, when, in case 等连词的各种语义功能和语法功能。

具体来说主要包 括：1考查状语从句的连接词。

要掌握各个连词的含义及其用法，还有它们之间的区别。

如: 时间状语的连词有 while, when , as , as soon as until , not …until , before, after, since 等；条件状语从句的连词有 if , uni ess, in case, on con diti on that, provided (that), suppos ing, suppose (that)等；结果状语从句的连词有so …that(如此 .... 以至于),such …that(如此 ...... 以至于)等。

2 •考查固定搭配和习惯用法的连接词。

女口： no soon er …tha n …，hardly …whe n …，scarcely …before …，the mome nt/minute ,directly 。

3. 考查不同性质的连词在不同的语境中所表达的不同意义。

女口： as 既能引导时间状语从句，又能引导原因状语从句和让步状语从句；where 能引导 地点状语从句和定语从句等。

4. 考查状语从句的时态。

主要考查在时间、条件、让步状语从句中用一般现在时表将来及用一般过去时代替过去将来时的用法。

5. 考查状语从句的省略。

状语从句在时间、原因、条件、方式、让步等状语从句中，常常省略相同的主语或作主语的代词it以及be动词，保留现在分词、过去分词、介词短语、不定式等成分。

如果从句中有“ +形容it is词”结构，也可以省略it is。

6. 考查状语从句、宾语从句、简单句和并列句的句式结构。

女口：when引导时间状语从句意为“当……的时候”，引导宾语从句意为“什么时候”if引导条件状语从句意为“如果”，引导宾语从句意为“是否”等。

一•状语含义：修饰—词、_________ 词、____ 词或____ ，说明动作或状态特征的句子成分二.状语从句：在主从复合句中做状语的从句。

结构为：句子+引导词作状语。

如:He had learned a little Chinese before he came to China.三•状语从句分类：时间状语从句地点状语从句原因状语从句条件状语从句目的状语从句结果状语从句方式状语从句比较状语从句让步状语从句练习题1. While I was walking along the street, I found many beatiful buildings ( )2. Where there is a will, there is a way.( )3. Now that/S ince everybody is here, le' s beg in our meeti ng.( )4.1' ll speak slowly so that you can understand me.( )5. So clever was he that he was able to work out all the difficult problems. ( )6. As long as you don t lose heart, you ll succeed.( )7. Try as he might, he could not find a job.( )8. The old lady treats the boy as if he were his own son.( )9. He is taller than I am.( )一.时间状语从句时间状语从句常用1) When, while, as, 2) as soon as, hardly…when/before , no soon er…tha n, scarcely...whe n, whe never3 sin ce(自从),o nee,, before, after ,till, un til,4) the moment(the minute, the second, the instant, the day,the year ,) by the time, every time, each time,next time, any time . the first time ,the second time 5) immediately, instantly, directly),等词来引导。

例如：It was raining hard ___ I got to school yesterday._____ he was doing his homework, the telepho ne rang._____ he walked along the lake, he sang happily.He had lear ned a little Chin ese __ he came to China.___ he fini shed middle school, he went to work in a factory.He was ill _____ I saw him.No sooner had she heard the n ews ___ h e cried.1■连接词when的用法小结1) when可用来引导时间状语从句，意为“当……的时候”从句的谓语动词可以是 ___ ，也可以是_____ 的。

如：___ the film en ded, they went back.___ I lived there, I used to go to the seashore on Sun days.2) . When常用于下列句式：意为“就在那时”。

如：was doing someth ing…whe nwas about to do…whe nwas on the point of doing sth... when…had done…whe n3) when可以表“既然”，如：How can I help them to understand ___ they won t listen to me?练习题-填空1..We were swimmi ng in the lake _____ s udde nly the storm started.2. He was about to tell me the secret _____ some one patted him on the shoulder.3. He transplanted the little tree to the garden _____ it was the best time for it.4. —Did Jack come back early last ni ght?—Yes. It was not yet eight o clock _____ he arrived home.5. He was about halfway through his meal ______ a familiar voice came to his ears.2■连接词while的用法小结1. while可用来引导时间状语，意为“ _______ 引导的动作必须是—，如：Please don t talk so loud ____ others are working.2. while作为并列连词，意为“ ____ ”，表示对比。

Jane was dressed in brow n _____ M ary was dressed in blue.3. while也可用来引导让步状语，意为“ _____ ”；相当于—__ I admit that the problems are difficult , I don ' t agree that they can' t be solved. 4趁…的情况赶紧做，否则来不及了Strike _____ the iron is hot.练习1. The cost of livi ng in Glasgow is among the lowest in Britai n, ____ t he quality of life is probably one of the highest.A. sinceB. whe nC. asD. while2. ____ I accept that he is not perfect, I do actually like the pers on.A. WhileB. SinceC. BeforeD. U nless3. ______ it is true that a studen f s most important goal is to do well in his or her studies, it doesn t need to be the only goal.A whe nB AsC WhileD Before4. Mary made coffee _________ her guests were finishing their meal.全国）A. so thatB. althoughC. whileD. as if3.as用法小结1■引导时间状语从句：强调同时发生或紧接着发生，动作无先后。

①当……时候②一边……一边…… ③随着2■引导原因状语从句：____3■引导方式状语从句：___4■引导让步状语从句：____ ,必须用________5■引导比较状语从句：as…as… ______6. _________________ 引导定语从句：7■介词：_____练习题一一猜测词义，as用法小结1. As I left the house, I forgot the key. ______2. As I get older, I get more optimistic. _______3. He hurried home, look ing beh ind as he went. _____4. As the weather is so bad, we have to stay home. ______5. You can do it as you like. ____6. Old as he is, he is still energetic. ______7. He speaks En glish as flue ntly as a n ative speaker. _____注意事项：a. as, when引导短暂性动作的动词。