50 это больше половины из всех что у меня ! task 1. (10 points) 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: task 2. (15 points) write your own examples of sentences with the prepositions of time (5