定语从句的关系副词?
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定语从句的关系副词是when、where、why。
一、关系副词when的用法。
when在从句中用作时间状语,其先行词须是表时间的名词。如:
We will put off the picnic until next week, when the weather may be better.
我们打算把野餐推迟到下周,那时天气可能转好。
He came last night when I was out.
他昨晚来时我出去了。
that有时亦可用作表时间的关系副词。如:
It happened on the day that I was born.
那件事是在我出生的那一天发生的。
二、关系副词where的用法。
where在从句中用作地点状语,其先行词须是表地点的名词。如:
They went to the Royal Theatre, where they saw Ibsen's "The Doll’s house".
他们去皇家剧院看了易卜生的《傀儡家庭》。
The place where Macbeth met the witches was a desolate heath.
麦克白遇见女巫的地方是一片荒原。
where的先行词亦可是有地点含义的抽象名词。如:
He has reached the point where a change is needed.
他已到了需要改弦易辙的地步。
三、关系副词why的用法。
why在从句中用作原因状语,其先行词只有reason,并且只能用在限制性定语从句中,如:
That is no reason why you should leave.
那不是你必须离开的原因。
He refused to disclose the reason why he did it.
他拒绝透露他做那件事的原因。
有时why可以省去。如:
That's one of the reasons I asked you to come.
那是我要你来的原因之一。
有时why可用that代替。如:
The reason that he died was lack of medical care.
他死于缺乏医疗。
一、关系副词when的用法。
when在从句中用作时间状语,其先行词须是表时间的名词。如:
We will put off the picnic until next week, when the weather may be better.
我们打算把野餐推迟到下周,那时天气可能转好。
He came last night when I was out.
他昨晚来时我出去了。
that有时亦可用作表时间的关系副词。如:
It happened on the day that I was born.
那件事是在我出生的那一天发生的。
二、关系副词where的用法。
where在从句中用作地点状语,其先行词须是表地点的名词。如:
They went to the Royal Theatre, where they saw Ibsen's "The Doll’s house".
他们去皇家剧院看了易卜生的《傀儡家庭》。
The place where Macbeth met the witches was a desolate heath.
麦克白遇见女巫的地方是一片荒原。
where的先行词亦可是有地点含义的抽象名词。如:
He has reached the point where a change is needed.
他已到了需要改弦易辙的地步。
三、关系副词why的用法。
why在从句中用作原因状语,其先行词只有reason,并且只能用在限制性定语从句中,如:
That is no reason why you should leave.
那不是你必须离开的原因。
He refused to disclose the reason why he did it.
他拒绝透露他做那件事的原因。
有时why可以省去。如:
That's one of the reasons I asked you to come.
那是我要你来的原因之一。
有时why可用that代替。如:
The reason that he died was lack of medical care.
他死于缺乏医疗。
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