1) Поставьте в отрицательную и вопросительную форму
1 They have already done this exercise.
2 I have seen 3 new films this year.

2) Переведите
1 Сколько книг ты прочитал в этом году?
2 Его сын только что вернулся из Москвы
3 Мы никогда не были в Лондоне
4 Я еще не прочитал эту книгу

Ещё можно написать так в 2.3.:We have never been in London.

1.they have not already done this exercise 2.i have not seen 3 new films this year. 2) 1.how many books have you read in this year? 2.his son has just returned in Moscow 3.we have never been in London 4. I have not read this booj

1.1. Have they already done this exercise?They haven't already done this exercise.1.2. Have you seen 3 new films this year?Но здесь можно и так задать вопрос:Have I seen 3 new films this year?I haven't seen 3 new films this year.2.1.How many books have you read this year?2.2. His son has just returned from Moscow.2.3. We never were in London.2.4. I haven't read this book yet.