Ответ:

  1. I am going to visit my grandma tomorrow.
  2. She is going to buy a new dress.
  3. They are going to move to a new house.
  4. He is going to study law at university.
  5. We are going to have a party next week.
  6. My sister is going to get married.
  7. I am not going to watch TV tonight.
  8. Are you going to come to the party?
  9. She is going to travel to Paris.
  10. They are going to buy a new car.

Форма: am/is/are going to + глагол; в отрицании — am/is/are not going to, в вопросе вспомогательный глагол ставится перед подлежащим.