ОЧЕНЬ ОЧЕНЬ СРОЧНО! ПОМОГИТЕ ПОЖАЛУЙСТА
Поставьте следующие предложения в отрицательную и вопросительную формы:
1. The plane for Moscow left on time.
2. He asked a porter to help him.
3. He will be at the airport two ours before departure.
4. We registered our luggage.

спасибо огромное !!!!

1 Did the plane for Moscow leave on time ?The plane for Moscow didn't left on time. 2 Did he ask a porter to help him?He didn't ask a porter to help him.3 Will he be at the airport two ours before departure? He won't be at the airport two ours before departure. 4 We didn't register our luggage. Did we register our luggage?