verbo To Be!

Forma Não Contraída

Afirmativa	Interrogativa	Negativa
I am	Am I?	I am not
You are	Are you?	You are not
He is	Is he?	He is not
She is	Is she?	She is not
It is	Is it?	It is not
We are	Are we?	We are not
You are	Are you?	You are not
They are	Are they?	They are not

Forma Contraída

Afirmativa	Negativa
I’m	I´m not
You’re	You´re not/You aren´t
He´s	He´s not/He isn´t
She´s	She´s not/She isn´t
It´s	It´s not/It isn´t
We´re	We´re not/We aren´t
You´re	You´re not/You aren´t
They´re	They´re not/They aren´t

A princípio o verbo to be significa ser ou estar.