Here's a worksheet on prepositions of time at, in, and on for English grammar:
Prepositions of Time Worksheet
Instructions: Fill in the blanks with the correct preposition of time (at, in, or on).
1. I like to _______________ (at/in/on) 8 o'clock in the morning.
a) at
b) in
c) on
2. We will meet _______________ (at/in/on) 5 pm tomorrow.
a) at
b) in
c) on
3. The party will start _______________ (at/in/on) 9 o'clock.
a) at
b) in
c) on
4. I will be on vacation _______________ (at/in/on) January.
a) at
b) in
c) on
5. The concert is scheduled to start _______________ (at/in/on) 8.30 pm.
a) at
b) in
c) on
6. I was born _______________ (at/in/on) 8 am on January 1st.
a) at
b) in
c) on
7. The new policy will take effect _______________ (at/in/on) the beginning of next month.
a) at
b) in
c) on
8. We will be completing the project _______________ (at/in/on) the end of June.
a) at
b) in
c) on
9. The interview is scheduled to begin _______________ (at/in/on) 2 pm.
a) at
b) in
c) on
10. I will be attending the conference _______________ (at/in/on) October.
a) at
b) in
c) on
Answers:
1. a) at
2. a) at
3. a) at
4. c) on
5. a) at
6. c) on
7. b) in
8. c) on
9. a) at
10. c) on
I hope this helps! Let me know if you have any questions or need further assistance.