4:
1. We have got a very nice teacher.
2. I haven't got a big pizza.
3. Luke hasn't got your expensive pen.
4. They have got a big family.
5. She has got a horrible pet rat.
6. You haven't got a nice classroom.
7. She has got a lot of friends.
5:
1. Has; got; has.
2. Have; got; haven't.
3. Has; got; hasn't.
4. Have; got; have.
5. Have; got; haven't.
6. Has; got...
Has got и Hasn't got употребляются с ед. ч. кроме I. Have got и Haven't got с мн. ч. и I. Not (n't) добавляется в отриц. предложениях (В твоём случае со словом "No, ...") Там ещё продолжение, по идее, поэтому поставил многоточие. Просто не всё в кадр попало...