10 предложений в Present Perfect (Для 6 класса)Пожалуйста помогите.

1. I have been to London.
2. Have you ever been to London?
3. I have already done my homework.
4.Have you done your homework.
5. I haven't been to Japan.
6. Have you ever been to Japan?
7. How long have you been learning English.
8. I haven't got a new computer yet.
9. I have been learning English for 6 years.
10. Have you done your homework.

В корректности на 100% не уверен. Если есть оплошности , то прости)

I have lived here for months-я живу здесь протягом клькох мсяцв;
Have you seen " Hamlet"? If not, let's go tonight-ти бачив " Гамлета"? Якщо н, давай сходимо на виставу сьогодн ввечер;
I haven't seen her since Tuesday-я не бачив з ввторка;
Have you eaten this morning?-ти в сьогодн вранц?;
We've been married for 27 years-ми одружен вже 27 рокв;
Have you ever been to Paris?- ти если-небудь був у Париж?