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2 、关系副词引导的定语从句 关系副词可代替的先行词是时间、地点、方式或理由的名词，在从句中作状语。 关系副词when, where, why, how的含义相当于'介词+ which'结构，因此常常和'介词+ which'结构交替使用，例如： There are occasions when (on which) one must yield. Beijing is the place where (in which) I was born. Is this the reason why (for which) he refused our offer? I'm surprised the way how (by which) he works out the problem. 注意： ①在非限制性定语从句中，'介词+ which'结构不能代替关系副词。 如：They set up a state for their own , where they would be free to keep Negroes as slaves. ②含有介词短语的动词一般不能拆开，介词仍放在动词后面。 Is this the book which (that) she was looking for? 3、名词/数词/代词 /形容词最高级 + 介词 + 关系代词引导定语从句 She has written a book , the name of which I have forgotten. There are fifty-five students in our class , all of whom are working hard. There are five continents in the world , the largest of which is Asia. 4、as, which 引导非限定性定语从句的差别 由as, which 引导的非限定性定语从句，as和which可代整个主句，相当于and this或and that。As一般放在句首，which在句中。 As we know, smoking is harmful to one's health. The sun heats the earth, which is very important to us. as可引导非限制性从句，常带有“正如”的意思。 As is know, smoking is harmful to one's health. 用法区别： (1) as 引导的定语从句可置于句首，而which不可。 As we all know, he never smokes. (2) as 代表前面的整个主句并在从句中作主语时，从句中的谓语必须是系动词;若为行为动词，则从句中的关系代词只能用which。 (3)非限定性定语从句中出现expect, think, suppose 等表示猜测、想象、预料等时。 She succeeded in her doing the research work , as we expected. (4)As 的用法 the same… as; such…as 中的as 是一种固定结构, 和……一样……。 I should like to use the same tool as is used here. We should have such a dictionary as he is using. 定语从句语法专项练习习题精选 用适当的关系词填空： 1. I still remember the night _______I first came to the house. 2. I'll never forget the day________ we met each other last week. 3. Mr Black is going to Beijing in October, _______is the best season there. 4. I will never forget the days _______I spent with your family. 5. I'll never forget the last day______ we spent together. 6. This is the school ______I used to study. 7. Do you still remember the place______ we visited last week? 8. Do you still remember the place_______ we visited the painting exhibition? 9. Have you ever been to Hangzhou,_____is famous for the West Lake? 10. Have you ever bee to Hangzhou, ______lies the West Lake? 11. Tom will go to Shanghai,______live his two brothers. 12. I live in Beijing,____is the capital of China. 13. There was a time ______there were slaves in the USA. 14. It is the third time ______you have made the same mistake. 15. It was in the street _____I met John yesterday. 16. It was about 600 years ago____the first clock with a face and an hour hand was made. 17. The moment _____I saw you, I recognized(认出)you. 18. This is the very novel about____we've talked so much. 19. This is the way____he did it. 20. Who is the student _____was late for school today? 21. Who _____knows him wants to make friends with him? 22. What else was there in my brother____you didn't like? 23. He lives in the room____window faces to the south. 24. He lives in the room, the window_____faces to the south. 25. This is Mr. John for____son I brought a book yesterday. 26. This is Mr. John for_____I bought a book yesterday. 27. This is the hour_____the place is always full of women and children. 28. And there is one point ______I'd like your advice. 29. Winter is the time of year______the days are short and nights are long. 30. I hope you will find this valley a beautiful place____you may spend your weekend. 答案: 1. when 2. when 3. which 4. that/which 5. that 6. where 7. that/which 8. where 9. which 10. where 11. where 12. which 13. when 14. that 15. that 16. that 17. (that) 18. which 19. (that/in which) 20.that 21.that 22 that 23.whose 24. of which 25. whose 26. whom 27. when 28. that 29. that 30. where  |
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