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定语从句的when

时间:2021-07-06 08:17:18 英语 我要投稿

定语从句的when

  =when作为定语从句的引导词时,表示时间,在从句中充当时间状语,后面需要加上完整的陈述语序。

  句式如下:

  表示时间的名词+when+完整陈述句+句子其它成分。

  when引导的定语从句可以放在主语,宾语或者表语,甚至为名词的宾补之后。

  例:

  The night when we took a stroll in the park was so cold.

  咱们在公园散步的那个晚上好冷。

  night 做主语,被定语从句when we took a stroll in the park 修饰。

  I remember the night when we took a stroll in the park.

  我记得那个咱们一起在公园散步的夜晚。

  night变成了宾语,被定语从句when we took a stroll in the park修饰。

  What I can never forget is the night when we took a stroll in the park.

  我永不能忘记的是咱们一起在公园散步的.那个夜晚。

  night变成了表语,被定语从句when we took a stroll in the park修饰。

  以上三组例句中,when后面所接的都是完整句,并且when 后的从句时态和主句一致。前提是when充当的从句的时间状语,相当于是at the night.

  所以,以上三句,可以把when都改成at which。

  写作必备when引导定语从句句式:

  There was a time when...... 曾经。。。

  There was a time when people were never bothered by pollution.

  曾经人们不用为污染烦忧。

  We all experience a day when......我们都经历过。。。

  We all experience a day when everything goes wrong.

  我们都经历过事事不顺心的一天。

  we can never ignore the time when......我们绝不能忽视。。。

  We can never ignore the time when computers penetrate our life and study.

  我们不能忽视这个电脑渗透进我们的生活和学习的年代。

  关系副词引导的定语从句

  关系副词可代替的先行词是表示时间、地点或理由的名词,在从句中作状语。

  1)关系副词when, where, why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.

  任何人都有不得不屈服的时候。

  Beijing is the place where (in which) I was born.

  北京是我的出生地。

  Is this the reason why (for which) he refused our offer?

  这就是他拒绝我们帮助他的理由吗?

  2)that代替关系副词,可以用于表示时间、地点、方式、理由的名词后代替when, where, why和“介+which”引导的定语从句,在口语中that常被省略。

  例如:

  His father died the year (that/when/in which) he was born.

  他父亲在他出生那年逝世了。

  He is unlikely to find the place (that/where/in which) he lived forty years ago.他不大可能找到他四十年前居住过的地方。


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