介词和连词的用法
(一)表示时间的介词
1.英语里最常见的时间介词有：at, in, on, before, after和from。
2.at , in和on这三个词都表示时间。
?at主要指具体的钟点：at half past eight 在八点半
?in一般指某一段时间：in January 在一月份
?on指具体在某一天：on Monday 在星期一
3.before和after表示时间的先后顺序。
?before表示“在……之前”。
You should wash your hands before eating. 吃饭前你应该洗手。
?after表示“在……之后”。
They often play basketball after dinner. 他们放学后经常打篮球。
4.from作时间介词含有“从……开始”的意思，常和to连用，组成“from…to…”的结构，
表示“从……到……”的意思。
We go to school from Monday to Friday. 我们从周一到周五上学。
（二）表示方位的介词，也就是表示位置和地点的介词。
1.小学阶段常见的方位介词有：on, in, at, under, over, above, below, about, around,
between等。
2.on, over和above
这三个词都有“在……上面”的意思，但它们所表示的方位还是有些不同。
?on表示两个物体的表面相互接触。如：
There is a book on the desk. 桌上有一本书。
The boy is sleeping on the desk. 那个孩子睡在地上。
?over表示“在……的正上方”,两个物体表面没有接触。如：
There is a light bulb over my head. 在我头顶上有一个灯泡。
?above表示两个物体中一个在另一个的上方，如：
The plane is flying above the clouds. 飞机上云层上飞行。
There are four lights above our head. 在我们头上有四盏灯。
3.under和below都有“在……的下面”的意思，但它们有区别：
?under表示“在……的正下方”，其反义词是over。
There is a ball under the chair. 椅子下面有一个球。
They are sitting under a big tree. 他们正坐在一棵大树下面。
?below表示“在……”的下面，不强调是否在正下方。
Their house is below mine. 他们家的房子在我家的下面。
4.in表示位置“在……里面”，也可以用来表示在一个很大的空间内。The children are playing in the room. 孩子们正在房间里玩。
All my books are in my bag. 我所有的书都在我的书包里。
5.around表示“在……周围”。
There are lots of flowers around the house. 房子周围有许多花。
The children sat around the Christmas tree and sang happily.
孩子们围坐在圣诞树旁边高兴地唱歌。
6.behind表示“在……的后面”。
Don’t hide yourself behind a tree. 别躲在树后。
7.in front of表示“在……的前面”。
There are some trees in front of the house. 房子前面有一些树。
8.between表示“在两者之间”。
My home is between the two mountains. 我家在两座大山之间。
Guang Jie sits between Li Lei and Fang Ning. 冠杰坐在李磊和芳宁之间。（三）表示方式的介词
9.常见的表示方式的介词有：by, with, in等。
10.by表示“靠……”，“用……”。
11.with表示“使用……”，“和……一起”,“有……”，“具有……”
“带有……”。
12.in表示“用……（语言）”。
My father goes to work by car. 我父亲开车上班。
I can see with eyes. 我能用眼睛看。
I can speak in English. 我会用英语讲。
连词
and意思是“和”，表示并列和对称。
I can speak English and Chinese. 我会讲英语和中文。
I like apples, bananas and grapes. 我喜欢苹果、香蕉和葡萄
1.or意思是“或者”，“还是”，表示选择。
Is your friend is a boy or a girl? 你的朋友是男孩还是女孩？
Do you learn English or French? 你学英语还是法语？
注意：
（误）I don’t like coffee and te a.
（正）I don’t like coffee or te a. 我不喜欢喝咖啡和茶。
（正）I like coffee and tea. 我喜欢喝咖啡和茶。
2.but意思是“但是”，表示转折。
I have a cold, but I don’t take medicine. 我感冒了，但我没吃药。
The skirt is nice, but it’s too expensive. 这条裙子很漂亮，但太贵了。
3.so意思是“因此”，“所以”。
It’s dark, so I must go now. 天黑了，所以我得走了。
You got up too late, so you missed the bus. 你起床晚了，所以错过了公共汽车。
一、选择填空。
( ) 1. The Greens were watching TV _____ I came in. A. before B. after C. when ( ) 2. Jack was sad ____ he failed his math exam again. A. so B. because C. but ( ) 3. The bus arrived _____7:30 a. m. A. on B. at C. in
( ) 4. Your mouth is _____ your nose. A. under B. below C. near
( ) 5. We don’t go to school _____Saturday and Sunday. A. on B. in C. at ( ) 6. Did you go to the zoo _____ foot? A. by B. on C. in
( ) 7. I write _____my hand. A. in B. with C. by
( ) 8. Can you sing this song ______English?
A. in
B. with
C. on
( ) 9. He learns English _____ TV.
A. in
B. on
C. with
( ) 10. Tony comes _____ Australia.
A. from
B. to
C. in
( ) 11. Everyone is sitting ___ the floor, but Mr Brown is sitting ____ a chair _____ the corner.
A. over, in, on
B. about, on, at
C. on, on, in
( ) 12. During the weekdays, Jim gets up early ____ the morning and goes to bed late ____ night .But _____ weekends he sleeps until midday.
A. on, at, at
B. in, at, on
C. in, in, at
( ) 13. The mother is coming back ____ an hour.
A. after
B. for
C. in
( ) 14. Don’t worry, Tom will return______.
A. before long
B. long before
C. long ago
( ) 15. Paper is often made ____ wood.
A. by
B. in
C. of
二．介词填空
1.Tony is ________ Canada.
2.What is the name ________ the factory?
3.Betty is English. What ________ you？
4.Where do you come ________?
5.Do the students stay ________ home ________ Saturday？
6.The meeting ended ________ 6 p.m.
7.We’ll play football ________ cl ass.
8.—where are you from？
9.—I am ________ Beijing.
10.Let’s count the numbers ________ one ________ fifty.
11.—Where shall we meet?
12.—We’ll meet ________ home.
13.He is good ________ swimming.
14.Tom gets ________ at seven every morning.
15.________ Sunday morning, he played football with his friends.
16.What’s wrong ________ you?
17.It’s time ________ breakfast.
18.Can you sing a song ________ English?
19.Please listen ________ me carefully.
20.Don’t be late ________ this meeting.
三．用and, or, but填空。
1. I’d like to go with you, _____ I’m too busy.
2. I don’t like apple juice _____ orange juice.
3. I can speak English _____ French.
4. Are you a teacher ______ a doctor?
5. There is no milk ______ no fruit juice.
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