Verb TO BE
The VERB TO BE is the auxiliary verb of continuous tenses and the passive voice.
Meaning: SER; ESTAR
Present Simple
Affirmative Negative Interrogative
I am I am not (I'm not) Am I?
You are You are not (You're not/ You aren't) Are you?
He, She, It is He, She, It is not (He's, She's , It's not/He, She, It isn't) Is he, she, it?
We are We are not (We're not/ We aren't) Are we?
You are You are not (You're not/ You aren't) Are you?
They are They are not (They're not/ They aren't) Are they?
Past Simple
Affirmative Negative Interrogative
I, He, She, It was I, He, She, It was not (wasn't) Was I, he, she, it?
You, We, They were You, We, They were not (weren't) Were you, we, they?