Question

Quais são e como uso o verb to be?

Answer 1

Verbo to be no presente:
I am
You are 
He is 
She is 
It is
We are
You are
They are

Interrogativa: Basta você colocar o verbo antes do sujeito:
Am I? 
Are you?
Is he? 
Is she?
Is it?
Are we?
Are you?
Are they?

Negativa: Acrescentar not antes do verbo
I am not
You are not
He is not
She is not
It is not
We are not
You are not
They are not