如:
(1)Galilia built a telescope through which he could study the sky.
伽利略建起了望远镜,通过望远镜他可以研究天空。
(2)The cloth of which this coat is made is produced in Shanghai.
这件外套的布料是由上海制造的。
(3)He wrote many articles in which he expressed his love for his
motherland. 他写了许多文章,在文章中他表达了对祖国的热爱。
但有些含介词的短语动词一般不能拆开,介词仍放在动词的后面。如:listen to, depend on, take care of, pay attention to, look at等。
This is the boy whom she has taken care of.
这就是那个她照顾的非常好的男孩。
That is a problem we should pay close attention to.
这是一个我们应该密切关注的问题。