Prepositions of time · Grade 3
In Grade 3 you learn: time: at, on and in.
Prepositions of time show when something happens: at 7 o'clock, on Monday, in June. since, for, during and until show a starting point, a length of time, an event and an end point.
Key facts
- Time: at for clock times and exact moments: at 6 o'clock, at noon, at night.
- on for days and dates: on Friday, on my birthday, on Saturday morning.
- in for months, years, seasons and parts of the day: in March, in 2010, in winter, in the evening.
Worked examples
Example 1
Choose in, on or at: The lesson starts ___ 9 o'clock.
Answer: at
Example 2
Choose in, on or at: My birthday is ___ July.
Answer: in
Example 3
Choose at, on or in: We go swimming ___ Saturday.
Answer: on