2020高考英语状语从句课件(共29张)

1、 状语从句 状语从句1. 定义：在复合句中起状语作用的从句叫状语从句,它是用来修饰主句中的动词、形容词或副词等。2.位置：状语从句放在主句之前时，常用逗号分开；放在主句之后时，一般不用逗号。3. 构成：状语从句通常由一个连词或由一个起连词作用的词组引导。（从属连词+句子）4. 类别：状语从句按其意义和作用可分为时间、地点、原因、目的、结果、条件、方式、让步、和比较9种意义。 高考考点分析：1. 状语从句虽然有完整的主谓结构，却是不能独立的从句。2. 状语从句它由从属连词引导成为整个句子一个不可缺少的部分。3. 考查的热点有条件、时间、地点、让步等状语从句的连接词词义辨析.4. 动词的时态呼应、

2、状语从句的省略等。5. 题干结构呈交叉和综合特征，选项设计多从定语从句和名词性从句的角度进行思维干扰。1.While I was wondering at this, our schoolmaster took his place. ( )2. Where there is a will, there is a way. ( )3. Now that/Since everybody is here, lets begin our meeting. （ ）4. Ill speak slowly so that you can understand me. ( )时间地点原因目的判断下列状语从句的

3、种类5. So clever was he a student that he was able to work out all the difficult problems. ( )6. As long as you dont lose heart, youll 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 woke up as suddenly as he had fallen asl

4、eep. ( ) 结果条件让步方式比较一. 时间状语从句的引导词1. when, while , as, before, after, until, till, since, ever since, once, as soon as ，2. every time, next/last/each time, the first time, the moment, the minute, the instant4. hardlywhen, no soonerthan, scarcelywhen3. immediately, instantly, directlywhen, while, as_ w

5、e were talking, Mr. Smiths came in._ they came home, I was cooking dinner. I was about to go to bed _ I heard someone knock at the door.4. _ we were watching TV, he was studying.5. He is fat _ his brother is thin.6. _ she sang, tears ran down her face.While/ As/ WhenWhenwhenWhilewhileAs1. It will no

6、t be long _ we meet each other again.2. I _ (be) at his bedside since he _ (become) ill.3. It _ (be) two years since we _ (begin) to use this machine.beforehave beenbecameis/ has beenbegantill, until和notuntil：1.until/till引导时间状语从句用于肯定句时，主句的动词是延续性动词，表示动作或状态一直持续到until/till所表示的时间，意为“某动作一直延续到某时间点才停止”。如：

7、We waited until he came. 二. 地点状语从句:where, wherever You would let your children play where you can see them.Wherever you are, I will be right there waiting for you.where指“在某个地方”，wherever指“无论哪里，在任何一个地方”三、 原因状语从句原因状语从句的引导词有：because, as, since now that（既然）, considering that（考虑到）, seeing that（由于）Conclusi

8、on:because直接原因，非推断语气最强回答whysince表示“既然”，语气较弱；强调对方已经知晓，无需加以说明的原因，只可以放在句首。As“由于”，语气最弱，表示往往是十分明显的原因，常放在句首，比较口语化。For 放句中，对前面一句话的内容的补充说明 。 四. 条件状语从句:引导条件状语从句的连接词有:if, unless, as/ so long as（只要）, so far as(据我所知), in case,on condition that(条件.), provided (that) (假设），等 Conclusion:条件状语从句中,如果主从句都表将来动作，主句用将来时态，

9、从句用一般现在时态. If you dont hurry up, you will miss the plane.2、unless 相当于 if not，意思是“除非”“如果不就”。We cant get there on time unless we book the earliest flight.= We cannot get there on time if we dont book the earliest flight.五、让步状语从句He went out, _ it was raining._ they are poor, they buy a great many books

10、.Child _ he is, he has learnt advanced mathematics.though/althoughAlthough/while/ asasthough, although, even if/ though, while（句首）, no matter, whatever, however, whetheror, as_he is a child, he has learnt advanced mathematics.No matter _ happens, dont be discouraged.No matter _ hard he tried, he cou

11、ldnt open the door.No matter _ you go, you must write to your parents.No matter _ you marry in the future, he must be an honest man.howwherewhowhatEven ifas引导让步状语从句,表示“尽管、虽然”。但从句要倒装。句型为： adj./adv./单数n.(不加冠词)/v+as+主语+谓语 1、Young as she is, she can help her mother. 2、 Fast as he runs, he is the last on

12、e. 3、Try as you may, you might fail as well. 4、Late as it was, they kept on working.六、目的状语从句引导目的状语从句的引导词有：so that, in order that (为了）for fear that, in case （以免， 以防）七、结果状语从句结果状语从句的引导词有：so that, sothat, suchthatsothat和suchthat常用的搭配有：so +adj./adv.+ that 从句so +adj.+ a/an +可数名词单数形式+that so +many/much/few

13、/little +n. +that such + a/an +adj. +可数名词单数+thatsuch +adj. +可数名词复数/不可数名词+that Jenny is such a clever girl that all the teachers liked her very much.=Jenny is _ that all the teachers liked her very much.He had _ few friends _ he often feels lonely.so clever a girlsothat八、比较状语从句:His brother is _ hands

14、ome _ he (is).The movie was not _ good _ I had expected.Your bag is twice as expensive as _ .The driver drives faster _ he used to (drive)._ knowledge we learn, _ (happy) we will be.asasso/asasminethanThe morethe happieras, than, asas, not so/asas, the+比较级 the+比较级九、方式状语从句:He stood up _ (he wanted )

15、to leave.She always talks to me as if she _ (be) my sister.He walked slowly as if he _ (hurt) his leg.You should do _I do.as if werehad hurtas（像，如), as if/ though(仿佛、似乎), just as（就像）, asI 状语从句的时态问题1、The house could fall down soon if no one _ some quick repair work. A. has done B. is doing C. does D.

16、 had done 2、It is almost five years _ we saw each other last time. A. before B. since C. after D. when 在条件，时间和让步从句中，用一般现在时表示一般将来时，用一般过去时表过去将来时。在 since 引导的时间状语从句中，动词一般都用一般过去时，而主句常用现在完成时。CBII、状语从句的倒装问题1、So difficult _ it to live in an English-speaking country that I determined to learn English. A. I h

17、ave felt B. have I felt C. I did feel D. did I feel2、Not until all the fish died in the river _ how serious the pollution was. did the villagers realize the villagers realizedC. the villagers did realize D. didnt the villagers realize 状语从句的倒装一般有下面几种情况： 否定词开头； sosuch. 开头； as / though引导的让步状语从句。DA3.状语从句的省略：在条件，时间，让步，方式状语从句中，如果从句的主语和主句的主语一致或者从句的主语是it,而且谓语包含有be动词，那么可以省略