介词在句子中表示名词或代词等与其他词之间的关系。不能单独作句子成分，常位于名词或代词（或与之相当的其他词类、短语、从句）前面构成介词短语。介词后面的成分作介词的宾语。
今天我们主要学习小学英语中常用到的介词的用法。
{介词用法详解 }
语法专题详解
介词，是表示两词之间的关系的词。我们在小学英语中学习的英语介词有：
时间介词
1.on
( 1 )在------上面 The book is on the desk.
( 2 )在------（哪一天/星期）What do you do onWednesday?
( 3 )在------（月、日）My birthday is onAugust2nd.
2.in
（1）在------里面 The pens are in the pencil-box.
（2）在------（哪一年/月）
His birthday is in October. He wor ked here in 1992.
（3）在------（地方） He works in Dongguan.
（4）在------之内 What are you going to do in 20 years?
（5）在------（早上、下午、晚上）
I do morning exercises in the morning every day.
I usually play basketball in the afternoon.
I often do my homework in the evening.
3.at
（1）在------（点钟）
I usually go to school at 8:00 am.
（2）在中午 at noon
方位介词
1. under在------底下 There is a ball under the bed.
2. near在------附近 There is a book shop near our
school.
3. in front of在------前面
A boy is standing in front of the house.
4. beside在------旁边 A football is beside thedoor.
5. next to紧挨着 There is a bus station next to No. 13 Middle School.
6. over在------正上方 A bridge is over the river.
7. on the left在------左边 The bookstore is on the left.
8. on the right在------右边
The hospital is on the right.
9. before在……之前Mikesits before me.
10. after在------以后 He went home after school.
11. in the middle在------中间
The road is in the middle.
12. at
（1）在------（小地方） I am at school today.
I was athome yesterday.
（2）看一看 Look at the blackboard.
13. behind在------后面
There is a broom behind the door.
其他常用介词
1.For
（1）给。 This present is for you.
（2）为了。 Thank you for telling me the way to the zoo.
（3）作为。 We have some chips and hamburgers for lunch.
2.To
（1）到。 Take your sportshoes to the P.E class.
（2）致。 Happy birthday to you. Give it to your friend.
3.from来自 I am from China. = I come from China.
4.from --- to从------到------Lineup from shorter to taller. We have class from Monday to Friday.
5.of------的 He is a student ofKamaSchool.
6. by
（1）在------之前。 We must be at home by 6 o’clock.
（2）乘------交通工具。
People can go to themoon by spaceship.
I go to school by bus.
7.With
（1）用。 I write a letter with a pen.
（2）和------一起。 He went to Shenzhen with his parents.
8.between在------与------之间 。
There is a football match between Class One and Class Three.
9. into到------里。 Sharks candiveinto the deep cold water.
10. like
（1）像------ Thetwinsare like their father.
（2）长相------怎样？ What’s helike?
11. about
（1）大约；关于 It’s about 6:00 now.
（2）------怎么样？ What about---? How about--?
专项练习
一、填空
1. the first day ________ school2. _______the school playground
3. _________ classes4. _________Wednesday
5. a farm6.pull _________ carrots
7.a lot _______ fruit trees 8. live _________ a town
9. ________ the weekends10. _________ the sitting room
11.________ the 4th ______ November12. look _______ them
13. ________NewYear14. _________ Christmas Day
15.dress _______ _________ costumes
二、选择题
1.___ the afternoon of May, we visited the old man.
A. On B. At C. In
2.Many people work ___ the day and sleep ___ night.
A. on ; at B. in ; in C. in ; at
3.He speaks Japanese best ____ the boy students.
A. between B. with C. among
4.A wolf ___ a sheep skin is ourdangerousenemy.
A. with B. in C. on
5.Joan hopes to come back ___ three days.
A. after B. for C. in
6.They sent the letter to me ___ mistake.
A. by B. for C. with
7.He left home ___ a cold winter evening.
A. at B. on C. in
8.Shanghai is ____ the east of China.
A. in B. on C. to
9.____ my father’s help, I have finished my composition.
A. Under B. On C. with
10.He’s very strict ____ himself and he’s very strict ___ his work.
A. with ; in B. in ; with C. with ; with
参考答案：
一、填空
1.of2.in 3. in 4.on 5.on 6.up 7.of
8.in9.at 10.in 11.on,of 12.at 13.on
14.on 15.up,in
二、选择题
1-5：ACCBC:6-10：ABACA