Confused Prepositions
On, At, and In (time factor)
Rule: on is used with the days of the week or month (on Sunday, on February 15, etc.); at is used to denote the exact time (at dawn, at 10 o’clock, etc.); and in is used with a period of time (in spring, in the evening, etc.).
Incorrect Usage: (a) The delegates will arrive at Monday.
(b) He goes to bed on 11 o’clock.
(c) My mother goes for a walk at the evening.
Correct Usage: (a) The delegates will arrive on Monday.
(b) He goes to bed at 11 o’clock.
(c) My mother goes for a walk in the evening.
Nice post! I help my cousins learn English and when it comes to prepositions, they find it difficult to understand the differences. I will try your way and maybe that will make it easier for them!