介词的用法(一).doc

介词的用法（一）
In, at, on
一、 表存在的范围
二、 表时间
三、 表地理位置
In the room, in three minutes, in the street, in Chinese, in blue, in May, in a year, in weekend, made in China, in all,
At home, at school, at 2:30, at Xinhua street, at work, at restaurant, at a meeting, at all,
On the wall, on Sunday, on the table, on duty, on Dec. 25th, on foot,

From
一、 表地点来源
He is from the U.S.A.; I am from China
二、 表给予的来源
This present is from Tom.
三、 表时间的起始位置
from Monday to Friday
四、 表地点的起始位置
the twelfth from the right
from time to time = sometimes
over
一、 表位置（在----之上，越过）
There is a bridge over the river. The kite is flying over the building.
二、 表结束（副词）
Class is over. Today’s work is over.

By
一、 表方法
by bus, by train, by bike
二、 按照
by the law,
三、 附近
passed by, day by day,
by the way,
of
表“---的”
This is a picture of my family.
All of the people,

before, in front of,
after, behind
above, below, under
under the leadship of CCP, under the tree,