Prepositions of time and prepositions of place are essential elements in English that help specify when an event occurs and where something is located. While they may seem simple, choosing the right preposition can sometimes be confusing due to subtle differences in meaning and usage. In this article, we will explore common prepositions of time and place, their rules, and provide clear examples for each to help you master their usage.


1. Prepositions of Time

Prepositions of time are used to indicate when something happens. The most common ones are at, in, and on, but there are others like before, after, by, until, for, and since.

1.1. Common Prepositions of Time

  1. At
    • Used for specific times and holidays.
    • Examples:
      • The meeting starts at 3 p.m.
      • We have lunch at noon.
      • I will see you at Christmas.
  2. On
    • Used for days of the week, dates, and specific days.
    • Examples:
      • The concert is on Friday.
      • My birthday is on July 15th.
      • We go to church on Sundays.
  3. In
    • Used for months, years, seasons, and longer periods of time.
    • Examples:
      • She was born in 1995.
      • We travel a lot in summer.
      • The company was founded in April.
  4. Before / After
    • Used to show an event happening earlier or later than another.
    • Examples:
      • Let’s meet before lunch.
      • She always arrives after 9 a.m.
  5. By
    • Indicates a deadline or the latest time something will happen.
    • Examples:
      • Please submit your report by Monday.
      • I will be there by 7 p.m.
  6. Until / Till
    • Used to show how long an action continues up to a specific point.
    • Examples:
      • We will stay here until 5 p.m.
      • The shop is open till midnight.
  7. For
    • Used to indicate the duration of an action.
    • Examples:
      • I have lived here for five years.
      • He was in Paris for two weeks.
  8. Since
    • Shows the starting point of an action that continues until now.
    • Examples:
      • She has been working here since 2010.
      • I haven’t seen him since Monday.

2. Prepositions of Place

Prepositions of place indicate where something is located in relation to something else. The most common ones are in, on, at, under, behind, next to, between, and among.

2.1. Common Prepositions of Place

  1. In
    • Used for enclosed spaces and larger areas.
    • Examples:
      • The kids are playing in the garden.
      • I live in New York.
      • He is in the car.
  2. On
    • Used for surfaces or specific places.
    • Examples:
      • The book is on the table.
      • There is a poster on the wall.
      • He sat on the floor.
  3. At
    • Used for specific locations, points, and addresses.
    • Examples:
      • We are meeting at the station.
      • She is at the bus stop.
      • He is waiting at 123 Main Street.
  4. Under
    • Indicates something below or lower than another object.
    • Examples:
      • The cat is under the bed.
      • There’s a lake under the bridge.
  5. Behind
    • Used to show something is at the back of another object.
    • Examples:
      • He parked his car behind the building.
      • The sun set behind the mountains.
  6. Next to / Beside
    • Indicates something is at the side of another object.
    • Examples:
      • I sat next to him.
      • The bank is beside the supermarket.
  7. Between
    • Used for two objects or places.
    • Examples:
      • She sat between her two friends.
      • The school is between the library and the park.
  8. Among
    • Used for three or more objects or places.
    • Examples:
      • He was standing among the crowd.
      • There is a deer among the trees.

3. Common Mistakes with Prepositions of Time and Place

  1. Confusing “In,” “On,” and “At”:
    • Incorrect: I live at Paris.
    • Correct: I live in Paris.
  2. Using “On” Instead of “In” for Larger Areas:
    • Incorrect: He works on the city.
    • Correct: He works in the city.
  3. Using “At” Instead of “In” for Enclosed Spaces:
    • Incorrect: She is at the room.
    • Correct: She is in the room.
  4. Using “For” Instead of “Since”:
    • Incorrect: I have been here for 2010.
    • Correct: I have been here since 2010.

4. Key Differences Between “In,” “On,” and “At”

“In”: Used for large areas, enclosed spaces, months, years, and periods.

  • I live in a big city. (location)
  • He was born in 1990. (time)

“On”: Used for days, surfaces, and specific places.

  • The book is on the shelf. (place)
  • The meeting is on Monday. (time)

“At”: Used for specific times, precise locations, and points.

  • I will see you at 6 p.m. (time)
  • We met at the entrance. (place)

5. Conclusion

Prepositions of time and place may seem challenging at first, but understanding their rules and practicing with examples will help you use them naturally. Always consider context when choosing the correct preposition, as it plays a vital role in conveying your intended meaning. By mastering these small but powerful words, you can significantly improve your communication in English!