“have” / “have got”

Examples:

I have a dog. / I’ve got a dog. 

I don’t have a dog. / I haven’t got a dog. 

Do you have a dog? / Have you got a dog?

She has a boyfriend. / She’s got a boyfriend.

She doesn’t have a boyfriend. / She hasn’t got a boyfriend.

Does she have a boyfriend? / Has she got a boyfriend?

They have a house at the beach. / They’ve got a house at the beach.

They don’t have a house at the beach. / They haven’t got a house at the beach.

Do they have a house at the beach? / Have they got a house at the beach?