Упражнение 1. Задайте вопросы и напишите отрицательные предложения по модели: Mike has been working in the garden since 8 o'clock. Has Mike been working in the garden since 8 o'clock? Mike hasn't been working in the garden since 8 o'clock. 1. His son has been serving in the Army since last year. 2. It has been snowing hard since morning. 3. They have been argueing for two hours. 4. Sam has been sleeping for 2 hours. He's been cleaning the flat all day today. 5. The scientists have been working on this problem since the beginning of time. 6. Mr. White has been translating this book for two months.

1 has his son been serving in the army since last year?

his son hasn't been serving in the army since last year

2 has it been snowing hard since morning?

it hasn't been snowing hard since morning

3 have they been arguing for 2 hours?

they haven't been arguing for 2 hours

4 has Sam been sleeping for 2 hours?has he been cleaning the flat all day today?

Sam hasn't been sleeping for 2 hours.He hasn't been cleaning the flat all day today

5 have the scientists been working on this problem since the beginning of time?The scientists haven't been working on this problem since the beginning of time

6 has Mr White been translating this book for two months?

Mr White hasn't been translating this book for two months