Question

hey =!

fin't the grammar On, at, in, from, to, for, since, ago, before, till/until, by, etc.

what is there words give a correct grammar. ​

Answer 1

$\huge\bold\pink{Answer:-}$

These are called Prepositions of time such words On, at, in, from, to, for, since, ago, before, till/until, by, etc with you have given for the example to find.

Answer 2

Answer:-

This is Prepositions this represting the t like that words

since, ago, before, till/until, by, etc with you have given for the example to find.