1)表示——
She is at work now = She is working now.
2)at表示——价格或速度
The train ran at 120 kilometres an hour .
1)in表示——在......方面
:do well in = be good at be weak in
2)in 表示——穿着,后接表颜色的词或衣服
: be in +衣服= be wearing +衣服
2).与what 连用, ―是什么样子, 怎样.
What is he like ? He is kind .
2). 休假,通常放在时间名词之后
He hasn’t had a night off for two hours .
1).with具有,含有-----反义词: without 没有
: with the help of = with one’s help =because of = thanks to without one’s help
2).without的用法:
A).without + sb./ sth. 没有某人或某物
C). without sth 常与if 引导的否定的条件句.
If there is no water , we can’t live .= We can’t live ______ _______ .
7.on the tree /in the tree
on the tree 表示——树上本身长的东西,
. 而in the tree 表示——外界的物体进入树中,人或物在树上
2)for: for +一段时间= since +一段时间+ ago
9.be made +介词的区别: be made of 由......
(看得见原材料) be made from由制成......(看不见原材料) be made in +地点由哪儿生产be made by sb.由某人制造
10.表示“数量的介词”about , round around over
1). about , round around表示——大约......
11.inside / outside Inside 在......里面
12.in the wall /on the wall
1).当时间状为: tonight, today, yesterday, tomorrow 等时,不用介词
What are you going to do tonight ?
2).含有this, that, these, those, last, next, every, each等时间状语.
He went to Wuhan last week .
4).以some ,any, one 等构成的时间状语前不用介词.
He met a bad man one cold morning .=