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Prepositions of Time

LESSON
Lesson Reference
Grammar rules and examples for self-study
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REVIEW
Review Exercises
Fill-in and gap-fill practice tasks
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ANSWER KEY
Answer Key
Correct answers for all exercises
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Prepositions of Time

Grammar Reference

Form Example
inlong periods (months, years, seasons, parts of day)in 2025, in January, in the morning
ondays and dateson Monday, on 25th December
atspecific times, night, weekendsat 8pm, at night, at Christmas
Memory aidsmall → at · medium → on · large → intime gets bigger left to right

Prepositions of Time — Exercises

at, on or in?

  1. I wake up _____ 7am.
    (at / on / in) 
  2. My birthday is _____ March.
    (in / at / on) 
  3. We have English class _____ Monday.
    (on / at / in) 
  4. She goes to the gym _____ the morning.
    (in / at / on) 
  5. They got married _____ 2019.
    (in / at / on) 
  6. I don't work _____ weekends.
    (at / in / on) 
  7. The concert is _____ 15 June.
    (on / in / at) 
  8. It's cold _____ winter.
    (in / at / on) 
  9. I always feel tired _____ night.
    (at / in / on) 
  10. We visit my grandparents _____ Christmas.
    (at / in / on) 

Fill in at, on or in

  1. She was born _____ 1990.
  2. The shop opens _____ 9am.
  3. My exam is _____ Friday.
  4. I love going to the beach _____ summer.

Prepositions of Time — Answer Key

at, on or in?

  1. at
  2. in
  3. on
  4. in
  5. in
  6. at
  7. on
  8. in
  9. at
  10. at

Fill in at, on or in

  1. in
  2. at
  3. on
  4. in