Present Simple
Afirmative
I am = I'm
You are = You're
He/She/It is = He's/ She's/ It's
We are = We're
You are = You're
They are = They're
Negative
I am not = I´m not
You are not = You aren't
He/She/It is not = He isn't/She isn't/It isn't
We are not = We aren't
You are not = You aren't
They are not = They aren't
Interrogative
Am I?
Are you?
Is he/she/it?
Are we?
Are you?
Are they?
Past Simple
Interrogative
I was
You were
He/She/It was
We were
You were
They were
Negative
I was not = I wasn't
You were not = You weren't
He/She/It was not = He/She/It wasn't
We were not = We weren't
You were not = You weren't
They were not = They weren't
Integorrative
Was I?
Were you?
Was he/she/it?
Were we?
Were you?
Were they?