English Unite - Prepositions of Time Worksheet - Free Printable

Let's solve this exercise on prepositions of time step by step.

We are given the following rules:

- At → used for exact times (e.g., 3 o'clock, midnight).
- On → used for specific days or dates (e.g., Monday, 12th of May).
- In → used for longer periods of time or parts of the day (e.g., morning, afternoon, month, year).

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Now, let’s go through each sentence and fill in the correct preposition:

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1. I go to school ________ the morning.
→ "the morning" is a part of the day → in
✔ in

2. He goes to soccer ________ 1 o'clock.
→ "1 o'clock" is an exact time → at
✔ at

3. It is a holiday ________ Monday.
→ "Monday" is a specific day → on
✔ on

4. The bus leaves ________ 7 o'clock.
→ "7 o'clock" is an exact time → at
✔ at

5. My birthday is ________ November.
→ "November" is a month (a long period) → in
✔ in

6. The pool is always closed ________ Thursdays.
→ "Thursdays" refers to a recurring day → on
✔ on

7. We need to leave ________ two hours.
→ "two hours" is a period of time (not a specific point), but note: we use in for future time expressions like “in two hours” → in
✔ in

8. I do extra lessons ________ a Friday.
→ "a Friday" means any Friday (a specific day) → on
✔ on

9. The train leaves ________ midnight.
→ "midnight" is an exact time → at
✔ at

10. School was closed ________ 2020.
→ "2020" is a year (long period) → in
✔ in

11. I will do my homework ________ 4 o'clock.
→ "4 o'clock" is an exact time → at
✔ at

12. His birthday is ________ the 12th of May.
→ "the 12th of May" is a specific date → on
✔ on

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✔ Final Answers:

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

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🔍 Explanation Recap:

- Use at for specific clock times (e.g., at 3 p.m., at midnight).
- Use on for days (e.g., on Monday, on the 12th of May).
- Use in for months, years, seasons, parts of the day (e.g., in the morning, in November, in 2020).

This helps us communicate clearly about when things happen! 🕒