介词短语在句中的作用

1) 作状语
His parents work on a farm. 他父母在农场工作。
He arrived in Washington at five o'clock in the morning. 他早晨五点到达华盛顿。
Mary came back because of the rain. 玛丽因为下雨回来了。

2) 作定语
The book on the desk is very interesting. 书桌上的那本书很有趣。
It is the best way of doing it. 这是做这件事的最好方法。

3) 作表语
This book will be of great use to you. 这本书对你会有很大的用处。
This is against the law. 这是违法的。

4) 作宾语补足语
I found everything in good condition.我觉得一切都很好。
The teacher came into the classroom with a book in his hand. 老师手里拿着本书走进了教室。