The document discusses the use of time prepositions "in", "on", and "at" and provides examples of how to use each preposition correctly based on the time being referenced. It gives sample sentences using each preposition to indicate specific dates or times, recurring days or periods, and generalized periods for events or activities. The examples help illustrate the different uses for each preposition in referring to times, dates, days, or periods within sentences.

1. Time Prepositions: - in - on - at Play

2. in on at Time Prepositions: Spring starts ___ March. in GO

3. in on at Time Prepositions: John always plays football ____ Saturdays. on GO

4. in on at Time Prepositions: Sam never watches TV ____ the morning. in GO

5. in on at Time Prepositions: My train leaves ___ a quarter to midday. at GO

6. in on at Time Prepositions: Tina’s birthday is ____ summer. in GO

7. in on at Time Prepositions: Rita’s wedding is ___ 21st March. on GO

8. in on at Time Prepositions: Jim and Sue usually watch TV ___ night. at GO

9. in on at Time Prepositions: We go to school ___ weekdays. on GO

10. in on at Time Prepositions: Students don’t have classes ___ Christmas holidays. at home