Preposition

Preposition is word what belongs between one noun to other noun.

Those are preposition, :such as :

At this lesson we learn preposition in, at, and on.

Ø Preposition in

Used to consider linking noun with adverb of time, such as in the morning, in time , in the afternoon.

Example : Can you come in the morning?

I study Physics in the afternoon.

Ø Preposition on

Used to consider linking noun with adverb of time or other noun, such as year, month, day, ETC.

Example : My book is on the table.

I will go to Bali next year.

Ø Preposition at.

Used to consider linking noun with adverb of place and adverb of time, such as at night.

Example : I buy this fruit at there.

I sleep at the night.