Prepositions of Time: In, On, At

• CEFR A1–A2
• Grammar
• Printable
• Answer key

Prepositions of Time: In, On, At is a printable grammar worksheet for English language learners at CEFR level A1–A2. It covers in, on, at with time expressions, with 5 exercises and an answer key.

Use at with clock times and fixed points: at 8:00, at night, at the weekend.

Use on with days and dates: on Monday, on 12 June, on my birthday.

Use in with months, years, seasons, and parts of the day: in July, in 2026, in the morning.

Examples

• The lesson starts at nine.
• We meet on Tuesdays.
• My birthday is in April.
• I usually study in the evening.
• She works at night.
• The exam is on 18 June.
• They moved here in 2021.
• I saw him last week.

What's in this worksheet

1. Choose in, on, or at
2. Correct the mistake
3. Complete the sentences
4. Sort the expressions
5. Your calendar

Common mistakes

• I was born on 2009.  →  I was born in 2009. Use in with years.
• The class starts in 8:30.  →  The class starts at 8:30. Use at with clock times.
• We play football in Saturday.  →  We play football on Saturday. Use on with days.
• I am going on next week.  →  I am going next week. Do not use a preposition with next week.

Speaking prompts

• What do you usually do on Friday evening?
• What time do you normally wake up?
• What do you do in summer?
• What are you doing next weekend?