Prepositions of Time Grammar Worksheet

Grammar Worksheet: Prepositions of Time

The task is to fill in the blanks with the correct prepositions of time (`at`, `in`, or `on`). Below is the solution with explanations for each sentence.

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#### Instructions Recap
- Use:
- `at` for specific times (e.g., 10:30, midnight, bedtime).
- `in` for periods of time (e.g., the evening, spring, 2013).
- `on` for specific days or dates (e.g., Sunday, Christmas Day, January 14).

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Solutions with Explanations

1. My brother has a new job. He works ______ the evening.
- Answer: `in`
- Explanation: "The evening" is a period of time, so we use `in`.

2. We're going to have a picnic ______ Saturday afternoon. Would you like to come?
- Answer: `on`
- Explanation: "Saturday afternoon" specifies a particular day and part of the day, so we use `on`.

3. I'll be finished my work ______ an hour. Then, I can go home.
- Answer: `in`
- Explanation: "An hour" refers to a period of time in the future, so we use `in`.

4. When is the meeting? Is it ______ 2:00?
- Answer: `at`
- Explanation: "2:00" is a specific time, so we use `at`.

5. I like to get up really early, ______ sunrise, when the birds start to sing.
- Answer: `at`
- Explanation: "Sunrise" is a specific point in time, so we use `at`.

6. Tom's birthday is next week, ______ January 14.
- Answer: `on`
- Explanation: "January 14" is a specific date, so we use `on`.

7. My grandfather was born ______ the 1950s.
- Answer: `in`
- Explanation: "The 1950s" is a period of time, so we use `in`.

8. Will we be ______ time, or will we miss our flight?
- Answer: `on`
- Explanation: "On time" is a fixed expression meaning punctual, so we use `on`.

9. My family and I like to ski ______ winter.
- Answer: `in`
- Explanation: "Winter" is a season, which is a period of time, so we use `in`.

10. Are there any holidays ______ October?
- Answer: `in`
- Explanation: "October" is a month, which is a period of time, so we use `in`.

11. Our school cafeteria opens for lunch ______ noon.
- Answer: `at`
- Explanation: "Noon" is a specific time, so we use `at`.

12. What time does your son go to bed ______ night?
- Answer: `at`
- Explanation: "Night" here refers to a specific time of day, so we use `at`.

13. We moved to this city ______ 2012.
- Answer: `in`
- Explanation: "2012" is a year, which is a period of time, so we use `in`.

14. Are you going to do anything special ______ your birthday?
- Answer: `on`
- Explanation: "Your birthday" is a specific day, so we use `on`.

15. I'm not going to watch that TV show. It starts ______ midnight!
- Answer: `at`
- Explanation: "Midnight" is a specific time, so we use `at`.

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Final Answers

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

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Boxed Final Answer

\[
\boxed{
\text{1. in, 2. on, 3. in, 4. at, 5. at, 6. on, 7. in, 8. on, 9. in, 10. in, 11. at, 12. at, 13. in, 14. on, 15. at}
}
\]