1. Remember
VERB "TO BE"
You are an expert using verb "to be" which means "ser o estar".
However, let's ckeck its form!
AFFIRMATIVE
I am
You are
He is
She is
It is
We are
You are
They are
NEGATIVE
I am not
You aren't
He isn't
She isn't
It isn't
We aren't
You aren't
They aren't
INTERROGATIVE
Am I...?
Are you...?
Is he...?
Is she...?
Is it...?
Are we...?
Are you...?
Are they...?