Present simple tense: Verb have got

Positive sentences:
I / you / we / they have got a blue T-shirt.
He / she / it has got black eyes.

Negative sentences:
I / you / we / they have not got a red T-shirt.
He / she / it has not got blue eyes.

Questions:
Have ( I /you / we /they) got a car?
Has ( he / she / it ) got black hair?