1、状语从句状语从句 What are “ Adverbial Clauses”? 在主从复合句中修饰主语中的在主从复合句中修饰主语中的动词、动词、 形容词、副词等的从句叫做形容词、副词等的从句叫做 “状语从句状语从句”。分类如下：。分类如下：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1) 常用连词如下：常用连词如下：as, when, while, til
2、l / until, not till / until, before, since, after等。等。1. 时间时间状语从句状语从句4) as soon as, immediately, directly, instantly 等副词也可引等副词也可引导状语从句。表示导状语从句。表示“一一就就”。As soon as I reach home, I will tell him the news.1. I was so familiar with him that I recognized his voice _ I picked up the phone.A. while B. after
3、C. In case D. the minute2. How long do you think it will take _ our product becomes popular with the consumers?B. when B. untilC. before D. since2. 地点地点状语从句状语从句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. Wherever you go, Ill be right here waiting for
4、 you.3. 原因原因状语从句状语从句原因状语从句表示主句中的某一动作原因状语从句表示主句中的某一动作或状态所发生的原因。引导这种从句或状态所发生的原因。引导这种从句 常用的连接词是：常用的连接词是：because, since, as, for, now that 及及 considering等。等。e.g. He didnt come to school because he was ill.c.f. He might be ill, for he didnt come to school.表示表示“直接直接”原因。原因。表示表示“间接的推断间接的推断”原因原因.不可出现在句首。不可出现
5、在句首。4. 条件条件状语从句状语从句 条件状语从句表示主句中的某一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动作或状态是在什么情况或条件下发生的。条件状语从句中通常用一般现生的。条件状语从句中通常用一般现在时表示将来。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 (除非除非), as / so long as (只要只要), on condition (只要只要), in case (假使假使) , providing / provided (that), supposing （that）（假若，倘使），）（假若，倘使），on
6、condition that(条件是）条件是） 等。等。1. We will be able to get there on time, _ our car doesnt break down on the road.A. as soon as B. as far asC. as long as D. as well as2. In time of serious accidents, _ we know some basic things about first aid, we can save lives.B. whether B. untilC. if D. unless5. 让步让步状
7、语从句状语从句在复合句中表示让步概念的状语从句在复合句中表示让步概念的状语从句被称为让步状语从句。通常由下列词被称为让步状语从句。通常由下列词语引导：语引导：though, although, even if, even though, while, no matter who/ , however ，as等。等。让步状语从句可以位于主句前、后，让步状语从句可以位于主句前、后，有时插在主句中间。有时插在主句中间。Though/althoughThough / Although he was old, he worked hard. = He was old but he worked hard
8、.注意一个典型的中国错误：注意一个典型的中国错误： though / although 切不可与切不可与but连用。连用。6. 目的目的状语从句状语从句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，所引用于正式文体中，所引从句可于主句前或后。从句可于主句前或后。so thata. 较常用，一般用于主句后较常用，一般用于主句后,有时可分开，有时可分开，so 有时可省有时可省; 从句中从句中要有情态动词要有情态动词，否则，否则, 就成为下一种句型：就成为下一种句型：b. 无无情态动词则引导情态动词则引导结果状结果状语语从句。从句。for fear tha
9、t; in case; lest (以免以免)等。等。e.g. a. Well sit nearer the front so we can hear better. b. I shall write it down lest I should forget. 注意：注意：当从句与主句的主语一致时，可当从句与主句的主语一致时，可用用so as to do 或或 in order to do e.g. He ran fast so that he might arrive there before ten oclock. He ran fast so as to arrive there bef
10、ore ten oclock.7. 结果结果状语从句状语从句结果结果状语从句常位于主句之后，由状语从句常位于主句之后，由so, so that, such that; so that 等等引导。引导。e.g. a. So quickly did he run that I couldnt catch up with him. b. The bus broke down so that we had to walk home. c. He got to the station finally, only to find the train had left.8. 方式方式状语从句状语从句描述主句
11、动作进行方式的状语被称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：为方式状语。通常用下列词语引导：as, just as, as if, as though, according to 等。等。e.g. 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.9. 比较比较状语从句状语从句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, not so / as as, morethan, less than, the more + adj. / adv., the more + adj. / adv.e.g. a. He is not so / as healthy as his brother. b. They jumped up and down as hard as they could. c. John is less clever than Peter.
