Помогите. Английский 7 класс времена

1. Запишите предложения: be going to

1. I'm going to cook lunch.
2. They aren't going to go by train.
3. What are you going to do now?
4. Is he going to study this evening?
5. What is the next song going to be?
6. Is she going to do her homework?

2. Запишите предложения в настоящем завершенном времени. Последнее предложение запишите также в отрицательной и вопросительной форме:

1. Mary has eaten snails!
2. I have written three emails.
3. You have forgotten your keys.
4. He has given his mum a present.
5. She has spoken to a famous person.
6. We have helped a lot of people.
7. They have finished dinner.
8. I have explained the rules.

Отрицательная форма:

I have not explained the rules.

Вопросительная форма:

Have I explained the rules?