定语从句 基础.ppt

She is a beautiful girl. She is a comedy actress. She is the girl under the tree. She is the girl praised by teachers and chassmates. 定语从句的定义 This is a house. I live in the house. 2. 根据从句中动词或形容词的习惯搭配。 3. 根据先行词与介词的搭配习惯。 I will never forget the days that we spent together. His mother ,whom he loved dearly,died 2 years ago. He will make a trip to Suzhou, which is famous for its beautiful scenery. 限制性定语从句对先行词起限制、确定的作用，是先行词不可缺少的定语，如果省去，主句的意思就会不完整，不明确或不合逻辑。这种定语从句和主句之间不能用逗号隔开。 二、非限制性定语从句 非限制性定语从句和主句关系不密切，去掉定语从句，句子的意思仍然完整。形式上用逗号把主句和从句分开。使用时应注意以下几点： 非限制性定语从句不能用that引导。 非限制性定语从句中的关系词不可省略，不管在从句中充当什么成分。 He came back late, which made his mother worried. 定语从句的省略 2.The people who were living in the village have moved to other places. 1.The basket which is full of flower belongs to me. 2.The meeting which will be held tomorrow is of great importance. 3.The meeting which was held yesterday is of great importance. 4.The problem which is bothering us is the lack of money. 5. The book which has been given to him is an English novel. 6.I know the men who are sitting in the car. 7.The men who owns that car will be fined for illegally park. 8. She is the girl who is under the tree. as which 都可引导非限制性定语从句，指代整个主句的内容。 She failed in the exam ,which /as was natural . He is an honest boy, which/as anybody can see. 区别：位置 As we all know ,China is a developing country. 区别：含义 当which引导的从句在意义上近乎并列关系时，可以用and this，and that代替，意思是“这件事使…”A)???He changed his mind, which(and this, and that)made me very angry.他改变了主意，这使我很生气。B)???She has married again, which(=and this, and that)was unexpected.出乎意料的是， as主要起与上下文连接的作用，表达说话人的看法、观点，并指出主句内容的出处或根据等，“正如…”Einstein, as we know, is a famous scientist.爱因斯坦，众所周知，是位伟大的科学家。As is announced in today’s newspaper, we must improve our style of work.今天的报纸上说，我们必须改进工作作风。 As we all know As is well known As we can see As is expected As is mentioned above As is often the case As often happens The man seemed a German ,which /as in fact he was. China, as we all know