记得学习when定语从句先行词
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when定语从句先行词 篇1
when定语从句先行词
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 nightwhen we took a stroll in the parkwas 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 nightwhen 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 nightwhen 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。
when定语从句先行词 篇2
when引导定语从句（包括限定性定语从句和非限定性定语从句）修饰表示时间的`先行词， 在定语从句中充当时间状语。例如： I still remember the day when I first met Jennifer.我仍然记得第一次见到詹妮弗的那一天。// Next month, when you’ll spend your summer holidays in your hometown, is approaching. 下个月即将来临， 届时你们将在家乡度暑假。
when：当主句中的先行词(即主句中被后面定语从句修饰的词)是表示时间意义的名词时,它只能作定语从句的时间状语,放在定语从句句首.如果定语从句的引导词是作该定语从句的主语或宾语,则要改用关系代词that或which来引导.例如：
The days when we used foreign oil are gone.我们用洋油的日子一去不复返了.
I'll never forget the day when I was born.(=I'll never forget my birthday.) 我永远不会忘记我出生的日子.
It happened in November when the weather was wet and cold.这事发生在天气又湿又冷的十一月.
In the years that (which) followed,Marx kept on studying English and using it.在这之后的几年中,马克思继续学习和使用英语.(that作定语从句"that followed"的主语)
The day (that) I always remember in all my life is my birthday.我一生中最难忘的日子是我的生日.(that作定语从句"that I always remember in all my life"的宾语,that可以省略)
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