An engaging worksheet teaching the correct usage of prepositions of time—'in,' 'on,' and 'at'—with examples and fill-in-the-blank exercises, ideal for language learners.

1- The party is at half past six in the afternoon.
2- I always go to school on Monday morning.
3- You sleep very well at night.
4- Students never have lessons at weekends.
5- It's cold in the evenings in Autumn.
6- It's usually warm in spring.
7- I get lots of presents on my birthday.
8- The lesson always starts at quarter to ten.
9- Come to see me on Saturday.
10- My sister goes out at weekends.
11- I can be at home at ten to one.
12- Let's go to the beach on Sunday morning.
13- I went to Italy in 2018.
14- I always go dancing on Tuesday evening.
15- The party is in the morning.
16- My father never sleeps in the afternoon.
17- I was in France in January.
18- Can you call me at six o'clock?
19- My grandparents went to London in 2001.
20- We always leave a light on at night.