Prepositions意思

Prepositions are words that show the relationship between a noun or pronoun and other words in a sentence. They are used to indicate location, time, direction, or manner. Here are some common prepositions and their meanings:

1. At: Used to indicate a specific place or time.

   • Example: "She is at the store."
   • Example: "The meeting is at 3 p.m."

2. In: Used to indicate location within a place or time.

   • Example: "The book is in the desk."
   • Example: "She lives in California."

3. On: Used to indicate a surface or a specific day.

   • Example: "The plate is on the table."
   • Example: "Her birthday is on May 5th."

4. Under: Used to indicate location below something.

   • Example: "The cat is under the bed."

5. Beside: Used to indicate location next to something.

   • Example: "The chair is beside the table."

6. Behind: Used to indicate location at the back of something.

   • Example: "The dog is behind the fence."

7. Between: Used to indicate position or a choice among two options.

   • Example: "The house is between the school and the park."

8. Among: Used to indicate position or a choice among more than two options.

   • Example: "The book is among the papers on the desk."

9. Before: Used to indicate time or position in front of.

   • Example: "She arrived before the movie started."

10. After: Used to indicate time or position following.

    • Example: "She arrived after the movie started."

11. During: Used to indicate a period of time when something happens.

    • Example: "She worked during the day."

12. For: Used to indicate duration or a reason.

    • Example: "She worked for two hours."
    • Example: "She did it for her family."

13. From: Used to indicate the point of origin or a range of time.

    • Example: "She came from Mexico."
    • Example: "She worked from 9 a.m. to 5 p.m."

14. Through: Used to indicate movement from one side to the other of something.

    • Example: "She looked through the window."

15. Across: Used to indicate movement from one side to the other of something.

    • Example: "She swam across the river."

16. About: Used to indicate a topic or approximate information.

    • Example: "She is talking about her trip."
    • Example: "The book is about 200 pages long."

17. With: Used to indicate association or the use of a tool or object.

    • Example: "She is with her friends."
    • Example: "She painted the picture with a brush."

18. Without: Used to indicate the absence of something.

    • Example: "She can't live without her phone."

These are just a few examples of the many prepositions in the English language. Prepositions are essential for clear and precise communication, as they help to establish the context and meaning of a sentence.