​Affirmative

​I have got a dog. / I've got a dog.

​You have a dog.

​

​We have got a car. / We've got a car.

​They have a car.

​

​He has got a brother. / He's got a brother.

​She has a brother.

Negative

​I have not got a dog. / I haven't got a dog.

​I don't have a dog.

​

​We have not got a car. / We haven't got a car.

​They don't have a car.

​

​He has not got a brother. / He hasn't got a brother.

​She doesn't have a brother.

Questions?

Have you got a dog? Yes, I have / No, I haven't.

Do you have a dog? Yes, I do. / No, I don't.

​

​

Have they got a house? Yes, they have / No, they haven't.

Do they have a house? Yes, they do. / No, they don't.

​

​Has he got a brother? Yes, he has. / No, he hasn't.

​Does he have a brother? Yes, he does. / No, he doesn't.