How to use "in on at" while framing sentences

Let's learn how to use prepositions in, on, and at.

At: At shows us the location of a person or thing.

1. Am at home
2. Am at work
3. Am at theater

In: In shows us something inside.

1. There are two pens in the draw.
2. I read an interesting article in the newspaper.
3. I like action scenes in movies.

On: A thing is top on something.

1. There is dust on the floor.
2. Mick-Mouse is my best cartoons on TV.
3. I like listening to talk shows on radio.