Как правильно вставить am, am not, is, isn't, are, aren't

I - am

He - is

She - is

It - is

You - are

We - are

They - are

Пример i am a pupil

He is a pilot

We are students

You are a teacher

They are workers

Not - отрицательная частица. Ставится после глаголов am, is, are и строит отрицательное предложение:

I am not a pilot

You are not a student

He is not a doctor

We are not workers

Часто в отрицательных предложения употребляется сокращенная форма глагола:

Is not - isn't

Are not - aren't

Am not - aren't