英语介词语法：介词词组的用法

介词：是一种虚词，不能独立充当句子成分，必须与名词、代词、数词、-ing式、形容词、动词一起构成句子成分。

介词词组常用作后置定语、状语、表语，偶尔用作宾补：

1.作后置定语

The dictionary inmy bag was bought here.

我袋子里的词典是在这里买的。

This is his reply to your letter.

这是他给你的回信。

This is the best way of doing it.

这是做此事最好的方法。

The girl under the tree is my sister.

站在树下的女孩是我妹妹。

2.作状语

In China more and more people are learning English.

在中国越来越多的人在学习英语。

Don’t touch it with your hands.

别用手去摸它。

Did you do this by design or by accident?

你这样做是有意的还是无意的?

3.作表语

They are at college.

他们在学校里。

He was with a friend.

他和一个朋友在一起。

Health is above wealth.

健康胜过财富。

She is in the classroom.

她在教室里。

4.作宾补

You’d better not throw it into the river.

你最好别把它扔进河里。

I found everything in good condition.

我发现一切正常。

They found the machine in a bad state.

他们发现机器的状态很差。

本文作者：丹丹英语(公众号：英语语法学习)