am in a sentence

am meaning:

The first person singular of the verb be, in the indicative mode, present tense.

am sentence:

I am a student.

I am not sure.

I am in London.

I am very tall.

I am in trouble.

I am an American.

I am called John.

I am good at math.

I am afraid to go.

I am studying now.

I am fond of cars.

I am a new student.

I am out of time.

I am exhausted.