必修5B5m5grammar状语从句

1、状语从句状语从句1. 时间时间状语从句状语从句2. 地点地点状语从句状语从句3. 原因原因状语从句状语从句4. 条件条件状语从句状语从句5. 让步让步状语从句状语从句6. 目的目的状语从句状语从句7. 结果结果状语从句状语从句8. 方式方式状语从句状语从句9. 比较比较状语从句状语从句引导词可分为两部分引导词可分为两部分 as while when whenever before after until (till) since every timenext timethe first/timeas soon asthe momentthe minute/instantlyimmediatel

2、ydirectly(一一就就)When当当时时 When I lived there , I used to go to the seashore on Sundays. 既然既然 How can I help them to understand when they wont listen to me ?考点：考点：正在做某事，突然：be doing when 正要做某事，突然：be about to do sth whenWhile当当时时 Please dont talk so loud while orthers are working.表对比，表对比，“而而” A was dress

3、ed in brown while B was dressed in blue.引起让步状语从句，引起让步状语从句，“尽管尽管”=although While I admit that the problems are difficult , I dont agree that they cant be solved.As两个动作同时发生：两个动作同时发生：As the sun rose, the fog disappeared. Just as he was speaking there was a loud explosion. Helen sang a song as she washe

4、d.随着：随着：As she grew older, she became more beautiful. 引起原因状语从句，引起原因状语从句，“因为因为” As she is free today,she would like to do some shopping.引导让步状语从句，引导让步状语从句，“尽管尽管” Tired as she was , he refused to take a rest.Till/until考点：考点：not.until句型中的强调和倒装。句型中的强调和倒装。It was not until you told me that I had any idea o

5、f it.Not until you told me did I have any idea of it.Before/after考点：作介词考点：作介词 Before being supplied to houses, the water must be treated to make it suitable for drinking.Since 自从自从考点：考点：1.句型：句型：It is/has been 3 years since (过去时） 2. since引起的从句谓语动词的延续性与否。引起的从句谓语动词的延续性与否。 对比：It is 3 years since he join

6、ted the army. It is 3 years since he was in the army.I will tell him about it as soon as he comes back. Directly I had done it, I knew I had made a mistake.Ill give him your message the minute he arrives. No sooner had I got to the bus stop than the bus started.as soon as the moment / the minute/ 一一

7、就就Instantly(the instant) / immediately / directlyHardly when / No sonner thanI thought her nice and honest the first time I saw her. At the last time she saw James, he was lying in bed.When every time I was in trouble, he would come to help me.Time 的名词短语做时间状语的引导词：的名词短语做时间状语的引导词：the first time , the

8、second time , the last time, every time , each time .地点状语从句用连接副词地点状语从句用连接副词 where或或wherever (在任何地方在任何地方) 引导。引导。e.g. a. Just stay where you are. b. Where there is a will, there is a way. c. You can sit wherever you like. d. Wherever you go, Ill be right here waiting for you.1. When he reads a book, h

9、is habit is to make a mark _ the meaning is unclear to him. A. there B. wherever C. the place D. in which对比：对比：Stand where you are. Stand in the place where you are.原因状语从句原因状语从句表示主句中的某一动作或状态所表示主句中的某一动作或状态所发生的原因。发生的原因。because, as, since, now that, for,和和considering that, seeing that 这七个连词都用于这七个连词都用于表

10、示表示原因表示表示原因, 但在语气上一个比一个弱。但在语气上一个比一个弱。because, since, as, for的区别的区别:Because 直接原因，非推断语气最强直接原因，非推断语气最强 回答回答why的问题。的问题。 He didnt come to school because he was ill.since 通常放句首译为通常放句首译为“既然既然”.As 不谈自明的原因不谈自明的原因，语气最弱。，语气最弱。.For 放句中，引导后半句表原因放句中，引导后半句表原因, 或补充推断的理由或补充推断的理由。 He might be ill, for he didnt come t

11、o school. 条件状语从句表示主句中的某一动作或状态是在什么情况条件状语从句表示主句中的某一动作或状态是在什么情况或条件下发生的。或条件下发生的。条件状语从句中通常用一般现在时表示将来。条件状语从句中通常用一般现在时表示将来。 条件状语从句由从属连词引导：条件状语从句由从属连词引导：if, unless if, unless ( (除非除非),), as as / so long as / so long as ( (只要只要),), on condition that on condition that ( (只要只要),), once once ( ( 一旦一旦),), in cas

12、e in case ( (假使假使) ,) , providing / provided providing / provided (that)(that)（倘若）（倘若） 等等。 Well come over to see you on Saturday if we have time. We should serve the people as / so long as we live. I will go providing that my expenses are paid. I will lend you the book on condition that you return i

13、t on Monday.考点：考点：1.主将从现主将从现（一般现在时，现在进行时，现在完成时）（一般现在时，现在进行时，现在完成时） 2.unless=if not1.though, although, even if, even though,2.no matter + 疑问词疑问词(what/ who/ where/ when/ which/ how) 疑问词疑问词-ever(whatever, whoever, wherever, whenever, however, whichever)特殊引导词：特殊引导词： as (用在让步状语从句中必须要倒装用在让步状语从句中必须要倒装)， wh

14、ile ( 一般用在句首一般用在句首 )， whether or , whether () or notThough he works hard, he makes little progress. Hard as/though he works, he makes little progress. Youll have to attend the party whether you are free or busy.Whether you believe it or not, it is true.no matter+疑问词不能引导主语从句和宾语从句，疑问词不能引导主语从句和宾语从句，而而

15、“疑问词疑问词+ever”则可以则可以 判断正误：判断正误：No matter what you say is of no use now. Whatever you say is of no use now. No matter what happened, he would not mind.引导目的状语从句的连词引导目的状语从句的连词:in order that 用于正式文体中，所引从用于正式文体中，所引从句可于主句前或后。句可于主句前或后。so that较常用，一般用于主句后较常用，一般用于主句后,有时可有时可分开分开for fear that; in case（以防）等。（以防）等。

16、描述主句动作进行方式的状语被称为方式状语。通常描述主句动作进行方式的状语被称为方式状语。通常用下列词语引导用下列词语引导: as, just as, as if, as though, the way (that), in the way (that)等。等。 a. We must do as the Party tells us. b. Leave the things as they are. c. Most plants need sunlight just as they need water. d. It sounds as if it is raining. e. They did it in a way that I had never seen before. 他们以我从没见过的方式行事。他们以我从没见过的方式行事。 f. As water is to fish, so air is to man. 我们离不开空气，犹如鱼儿离不开水我们离不开空气，犹如鱼儿离不开水比较状语从句常由下列词语引导：比较状语从句常由下列词语引导： as as,morethan, less than, the more +