准备参加2017年成人高考的小伙伴们要开始准备备考了，好的准备才能得到好的结果，大家都要加油哦!留学群成人高考栏目为大家带来“成考2017年专升本英语复习讲义：介词”，希望大家能有所收获。
常用介词用法：
1. across(穿过) My mother lives across the street.
I came across him yesterday. ( come across偶然遇到 )
The post office is just across the street.
2. after(在……之后)
The girl is named after her mother.
(name after 以……命名)
Rewrite the sentences after the model. (模仿，仿照)
3. against(反对) What you are doing is against the rule.
We are against the proposal. (be against 反对)
Nobody has got anything against you.
4. along(沿着) They walked along Nanjing Road.
There is a cinema along the street. I'm getting along well with my classmates.
5. around(围绕) We all drew up closely around him.
The guide showed us around the city.
(show sb. around 领某人参观)
6. at(在……) Let's meet at the station.
She was at a conference.
The committee is to meet at the weekend. He joined up at eighteen.(join up 参军)
What are you laughing at? (laugh at 嘲笑)
My mother was surprised at the news.(be surprised at 吃惊) He is good at drawing.
7. before(在……之前)
Don't put the cart before the horse. 不要本末倒置。
Pride comes before a fall. 骄傲就会摔跤。 Before starting the work， we had a discussion.
Before long， the war broke out. (break out 爆发)
I bought the book the day befo...