Preposition of time (in ,on, at) ppt////

in on at

1. Preposition of time. i n on at

2. in the morning/ the afternoon/ the evening/January/ February I go to school in the morning.

3. on Monday, Tuesday,…… School starts in Sunday.

4. at 2 o’clock, 12:15, 12:30, night I go to bed at 9 o’clock.