which 在定语从句中的用法

　　下面是小编整理的一些关于which 在定语从句中的用法， 希望能帮助大家更好地认识with这个单词，学好英语。

　　1. 引导限制性定语从句

　　A shop should keep a stock of those goods which sell best.

　　商店应存有最畅销的货物。

　　This is the family which is planning to move to the party.

　　这是要搬进城里的一家。

　　2. 引导非限制性定语从句。

　　( 1 )用来指代一个句子。

　　Internet is so interesting, which makes all possible happen.

　　因特网是如此有趣，它使任何事都有可能发生。

　　( 2 )用来指代句子的一部分。

　　When deep in thought, which he often was, he would forget all around him.

　　他常常陷入沉思，这时他就会忘掉周围的一切。

　　( 3 )如果要引导两个非限制性定语从句，第二个 which 前要加 and. He bought a book, which was written by LuXun, and which he decided to give to his friend. 他买了本鲁迅写的书，他决定送给朋友。

　　3. 名词+ of + which (= of which +名词= whose + 名词)通常放在先行词的后面。

　　I'd like a room the window of which looks out over the sea. / I'd like a room of which the window looks out over the sea. / I'd like a room whose window looks out over the sea. 我要一间窗户面临大海的房间。

　　4. 介词+ which 的替代作用。

　　( 1 )作时间状语替代 when 。

　　There used to be a time at which / during which ( = when ) the Chinese people struggled for freedom. 中国人曾有一段为自由而斗争的日子。

　　( 2 )作地点状语替代 where 。 This is the office in which ( = where ) I used to work. 这是我过去工作过的办公室。

　　( 3 )作原因状语替代 why 。 I'd like you to explain the reason for which (= why ) you were absent. 我想让你解释一下缺席的原因。

　　( 4 )作方式状语替代 that 或省略。

　　There are many ways in which (= that / 省略) we can solve the problem. 解决这个问题有很多方法。

　　5. which, when, where 关系词的选择。 关系副词 when 与 where 用于引导定语从句时，往往修饰句中表示地点或时间的名词。但是，有时候在表示时间或地点的名词后面却不能用 when 或 where ，而该用 which 或 that 。

　　Is this the factory which / that produces all kinds of washing machines? ( which / that 在定语从句中作主语，指代前面的 the factory )这就是生产各种洗衣机的那家工厂吗?

　　I often think of the days which / that we spent together on the seaside. ( which / that 在定语从句中作宾语，指代 the days ，此时可省略。)我经常想起我们一起在海滩度过的日子。

　　The river where I used to swim is now seriously polluted. ( where 在定语从句中作状语， where = in which = in the river )我过去常去游泳的那条河现在已被严重地污染了。

　　I still remember the day when I first came to Beijing. ( when 在定语从句中作状语， when = on which = on the day )我仍然记得我第一次来北京的日子。 总结：在表示时间或地点的名词后面，选择何种关系词，应看它们在从句中的作用，即在从句中充当什么成份。如果在定语从句中充当时间或地点状语，就该用 when 或 where ;如果在定语从句中充当主语或宾语等，则应用 which / that 。

　　6. 引导非限制性定语从句关系代词 which, as 的选择。

　　关系代词 as 与 which 引导非限制性定语从句时可以用整个句子作为先行词，指代上文或下文所说的一件事。

　　He said he'd been working in the office for an hour, which / as was true.

　　他说他一直在办公室工作了一个小时，这是真的。