Unit 10 表示空间的介词
小学阶段常用的空间介词有：at，in，on，over，above，under，below，behind，in front of等。
语法讲解
1．at 表示“在……（小地点）”。
I will meet her at the airport. 我要去机场接她。
2．in 表示“在……（大地点）；在……里”。
We live in the city. 我们住在城市里。
They are eating in the dining room. 他们正在餐厅里吃饭。
3．on，over，above 都表示“在……上”。
on 表示与某物体有接触，over 表示在某人或某物体的正上方，两物体表面没有接触。above 表示在某物体的上方，并不一定是正上方，两物体表面没有接触。
My books are on the desk. 我的书在书桌上。
There's a bridge over the river. 河上有座桥。
The plane is flying above the clouds. 飞机正在云上飞。
4．under，below 都表示“在……下方”。
under 表示“在……的正下方”，与over 是反义词，below表示“在……下方”，与above 是反义词。
A dog is under the table. 有只狗在桌子下。
Don't write below this line. 不要写到这条线的下面。
5．behind 表示“在……后面”，in front of 表示“在……前面”。
There's a broom behind the door. 门后有把扫帚。
There's a big garden in front of the house. 房子前面有个大花园。
巧学妙记
巧记常用介词
里面、上面in和on；over，under上下方。
up向上down向下，at在某地点上。
来自哪里from，to来表示到和往。
两者之间是between，三者以上用among。
语法练习
一、填写正确的介词，并朗读。
1．When did you arrive __________ the airport?
2．The dog is jumping __________ the fence.
3．Lily was born __________1980.
4．Children's Day is __________June 1st.
5．The plane flies __________ the clouds.
6．There's a teacher's desk __________ the classroom.
7．There's a broom __________ the door.
8．A pencil-case is __________ his school bag.
二、读一读，连线将句子补充完整。
1．The kitten is A．at the party.
2．We live B．under the table.
3．Marie sang C．on the second floor.
4．The clock is D．behind the door.
5．There is a broom E．on the wall.
三、连词成句，注意大小写和标点符号。
1．are/./in/the/tree/two birds
2．school/at/./children/the/are
3．toy/a/the/./is/sofa/behind
4．a/bridge/./over/river/the/is
5．under/./is/table/the/a/dog
四、看图回答问题。
1．Where is the bird?________________________
2．Where are the monkeys?____________________
3．Where is the squirrel?____________________
4．Where is the fish?________________________
5．Where is the cat?_________________________
答案
一、1．at
2．over
3．in
4．on
5．above
6．in
7．behind
8．on
二、1．B
2．C
3．A
4．E
5．D
三、1．Two birds are in the tree.
2．The children are at school.
3．A toy is behind the sofa.
4．A bridge is over the river.
5．A dog is under the table.
四、1．The bird is in the sky.
2．The monkeys are in the tree.
3．The squirrel is on the grass.
4．The fish is in the river.
5．The cat is on the rock.
