Англисский Номер 19 юнит третий класс седьмой . Поставьте глагол в нужную форму perfect tense

1. they will not have had supper2. The birds will have flied away3. we will have finished school4. Jack will have taken his exam5. it will have stoped raining6. my parents will have bought  a computer7. George will not have memorized all the idioms8. The Rogers will have finished building9. The party will not have started before we get10. He will not have come back