Do we use the following expressions with “in”, “on”, “at” or without a preposition? make four lists. time expressions: 2 o'clock, friday, the morning, last friday, night, tuesday, march, 1st march, the afternoon, next tuesday, 1980, monday morning, this morning, the summer, every summer, my birthday, the weekend, 8.15, tomorrow evening, july, friday night, 1804, 4th july, the spring, weekends, christmas, new year's day, yesterday afternoon 1) at: 2) on: 3) in: 4) without a preposition:
1) At: 2 o'clock, night, the weekend, 8.15, weekends, Christmas,
2) On: Friday, Tuesday, 1st March, Monday morning, my birthday, Friday night, 4th July, New Year's Day
3) In: the morning, March, the afternoon, 1980, the summer, July, 1804, the spring,
4) Without a preposition: last Friday, night, next Tuesday, this morning, every summer, tomorrow evening, yesterday afternoon