非限制性关系分句和它的先行项之间有比较松散的关系。就其意义上来说，在句子中有时相当于二个并列分句，有时在语义上起状语分句的作用，翻译时可将其后置译成并列句，例如：

The sun warms the earth， which makes it possible for plants to grow.（太阳温暖了大地，这才使植物有可能生长。）也可以完全脱离主句，译成独立句。如：She was very patient towards the children， which her husband seldom was.（她对孩子们很耐心，她丈夫却很少这样。）

Exercises： Put the following into Chinese:

①It is reported that they have found another star.

②It happens that I have my check-book with me.

③It is likely that he will succeed.

④It is a question that we arrive before l0 o'clock.

⑤She was advised to take the medicine。

⑥she told me that a big reservoir was being built in her hometown.

⑦I'll never forget the day when l came to the University.

⑧Yesterday I saw a wonderful film， which was about World War II.

Key to the exercises：

①据报道，他们又发现了一颗星。

②碰巧我带着支票簿。

‘③很可能他将成功。

④我们必须十点钟前到达是个问题。

⑤她被劝告吃药。

⑤她告诉我她的家乡正在建造一个大型水库。

⑦我将永远不会忘记我来这所大学的那一天。

⑧昨晚我看了一部精彩的电影，是关于二次世界大战的