A. Preposition – Time: at for the time of day, on for days and dates, and in for longer periods.
A1. On time: punctual, not late, In time = soon enough, At the end = at the time when something ends, In the end = finally
B. Preposition – Position: in, at, on
C. Preposition – Movement: to, at, in, into. go/ come/ travel (etc.) to a place or event
D. Preposition: by. say how we do something: by
E. Other Prepositions: in, of, on
F. Noun + Preposition: for, of, in, to, with, etc.
G. Adjective + Preposition: of, about, with, at, by
H. Adjective + Preposition: for, to, in, on
I. Verb + Preposition: about, for at, to, from, in, into, of, on, with, etc.