1. about
– 谈论某事：What are you talking about?
– 大约：It’s about ten o’clock.
– 关心：I don’t care about his opinion.
2. after
– 在……之后：I’ll call you after dinner.
– 依照：Please do as you are told after school.
3. again
– 再一次：Can you say that again?
– 重新：Let’s do it again.
4. against
– 反对：I’m against the idea.
– 靠着：The book is against the wall.
5. among
– 在……中间：The key is among the books.
– ……之一：One of the best players among the team.
6. before
– 在……之前：Please arrive before 8 o’clock.
– 优于：He is always before others in work.
7. behind
– 在……后面：The cat is behind the box.
– 落后：He is always behind the others in class.
8. below
– 在……下面：The book is below the table.
– 低于：The temperature is below zero.
9. beside
– 在……旁边：The cat is beside the box.
– 和……相比：He is the best student beside me.
10. between
– 在……之间：The book is between the two boxes.
– 中间：She is the tallest girl between us.
11. beyond
– 在……的那一边：The village is beyond the hill.
– 超出：His ability is beyond our imagination.
12. for
– 为了：I bought a gift for you.
– 因为：Thank you for helping me.
– 在……期间：I’ll be away for a week.
13. from
– 从……：I came from Beijing.
– 远离：Keep away from the fire.
14. in
– 在……里：The book is in the box.
– 用……：Please write in English.
– 在……期间：I’ll be in Shanghai for a week.
15. of
– ……的：The book of English.
– 由……组成：The class is made up of 40 students.
– 关于：What’s the matter of your illness?
16. off
– 离开：Please turn off the light.
– ：Take off your coat.
– 距离：The shop is two miles off.
17. on
– 在……上：The book is on the table.
– 穿着：She is wearing a dress on.
– 关于：What’s on the menu?
18. over
– 在……上面：The cat is sitting on the box.
– 超出：His score is over the limit.
19. through
– 穿过：Please go through the gate.
– 通过……：He passed the exam through hard work.
20. to
– 到……：Please go to the office.
– 对于：What do you want to do?
– 朝……：Look straight ahead to the end of the street.
以上是一些小学英语中常见的介词短语，掌握这些短语可以帮助你更好地理解英语句子的结构和含义，提高阅读和写作的能力。在学习英语的过程中，不断积累和练习介词短语是非常重要的。