状语从句(完整版)课件.pptx

状语从句;状语时用来修饰 词， 词， 词或 的一种句子成分。它可以表示时间、地点、 原因、目的、结果、条件、让步、比较、方式等。 当充当状语的部分是一个句子时，也就是状语从 句。分类如下：;状语从句;1.时间状语从句; as引导的时间状语从句, 可以表达“正当……”， “一 边……一边……”，“随着……”等意思。;while:持续性动词 ／进行时;While I was walking down the street, I came across an old friend. ( while=_______) While I really don’t like art, I find his work impressive. ( while =_________ ) While there is life there is hope. (while = __________ ) He likes pop music, while I am fond of folk music. ;when: 持续性／非持续性动词都可;＊尽管／虽然／鉴于／如果／届时／;before引导的时间状语从句;since引导的时间状语从句;until/ till引导的时间状语从句;as soon as引导的时间状语从句;名词短语引导的时间状语从句;1.?When every time I was in trouble, he would come to help me. 2.?? At next time you come, do remember bring your son here. 3.??For the first time I met the girl. I felt in love with her. 4.?You are welcome to come back at any time you want to. 5.?At the last time she saw James, he was lying in bed. 语法规则：;其他连词引导的时间状语从句;1. I was so familiar with him that I recognized his voice ______ I picked up the phone. A. while B. after C. in case D. the minute 2. How long do you think it will take _______ our product becomes popular with the consumers A. when B. until C. before D. since 3. ______ the day went on, the weather got worse. A. With B. since C. As D. While 4. He was halfway through his meal ____ a familiar voice came to his ears. A. why B. where C. when D. while;地点状语从句用连接副词 where或wherever (在任何地方) 引导。;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 常用的连接词是：because, as, since, now that, for,和considering that, seeing that 这七个连词都用于表示表示原因, 但在语气上一个比一个弱。;because, since, as, for的区别:;1. I danced in front of the people _________ I liked it. 2. You’d better wear strong shoes _____ we’ll do a lot of walking. 3. ____ he was not well, I decided to go without him. 4. ______ everybody know about it, I don’t want to talk any more. 5. He must be ill, ____ he is absent