1、作主语From the library to the teaching building is about a five minutes' walk.从图书馆到教学楼大约走5 分钟的路程，今天小编就来聊一聊关于什么是介词英语?接下来我们就一起去研究一下吧!
什么是介词英语
1、作主语
From the library to the teaching building is about a five minutes' walk.从图书馆到教学楼大约走5 分钟的路程。
2、作表语
Are you for the plan? 你赞成这个计划吗？
3、作宾语
George gave me until tomorrow. 乔治给我的期限是明天。
Fred came out from behind the tree. 弗雷德从数后出来。
4、作定语
Amber is a woman of strong character. 安伯是个坚强的女人。
5、作补语
John woke up and found himself in hospital. 约翰醒来，发现自己在医院。
6、作状语
I will be free on Monday morning.(时间状语)
Daisy covered her face with her hands and cried.(方式状语)
I left home and worked in a big city for the sake of money.(目的状语)
The tree died from want of water. (原因状语)
In spite of all his efforts, he still failed.(让步状语)
To a great extent, it is not fair.(程度状语)
关于介词短语和短语介词的区别：
介词短语由介词加介词宾语构成，可以单独作句子成分。短语介词是一个相当于介词的词组，不能单独作句子成分，其后必须有自己的宾语。如：
There is a big tree in front of the house. in front of 是短语介词，in front of the house是介词短语，在句子中作地点状语。
They came back very early in case of rain. in case of 是短语介词，in case of rain是介词短语，在句中作原因状语。
,
