1. She (has/had been sitting) at the window since 10 o'clock. (оба варианта применимы, т. к. нет привязки ко времени) 2. He will (be training) from 6 till 8 o'clock next Friday. 3. I didn't speak to him because he (was making) expirement. 4. Now they are ( deciding) where to go for the Holyday this summer. 5. By 5 o'clock the device (had been operating) for 3 hours and didn't stop. 6. I'd like to know what (has) happened to him. (оба варианта применимы) 7. By this time tomorrow the train will (have left)
отрицание- he hasn't just cleaned his room. общий вопрос- has he just cleaned his room? специальный вопрос- what has he just cleaned? разделительный вопрос- he has just cleaned his room, hasn't he? вопрос к подлежащему- who has just cleaned the room?
отрицание- they didn't go to Amirica last year. общий вопрос- did they go to Amirica last year? специальный вопрос- where did they go last year? разделительный вопрос- they went to Amirica last year, didn't they? вопрос к подлежащему-who went to Amirica last year?
