5. We didn't notice him cross the road (crossing the road) 6. Has your teacher ever heard your friend play (playing the violin)?7. When did you see your little son open (opening)the window? 8. That girl has got a fine voice. Have you ever heard her singing(sing)? 9. They didn't see us entering the room. (enter the room) 10. Have you ever watched monkeys eating banana? 11. I hope she didn't hear me cry. Варианты в скобках даны для выбора, оба варианта верны, всё зависит от того, хотите Вы показать процесс (-ing окончание), или завершенное действие.
) You aren't doing that exercise correctly. Are you doing that exercise correctly? 3) Not all the birds are flying south. Are all the birds flying south? 6) They aren't travelling in Europe at present. Are they travelling in Europe at present? 7) Helen isn't taking dancing lessons at the country club. Is Helen taking dancing lessons at the country club? 8) Mr. Evans isn't writing a series of articles on the economic situation. Is Mr. Evans writing a series of articles on the economic situation? 9) Ann isn't doing well in her studies at present.Is Ann doing well in her studies at present?
6. Has your teacher ever heard your friend play (playing the violin)?7. When did you see your little son open (opening)the window?
8. That girl has got a fine voice. Have you ever heard her singing(sing)?
9. They didn't see us entering the room. (enter the room)
10. Have you ever watched monkeys eating banana?
11. I hope she didn't hear me cry.
Варианты в скобках даны для выбора, оба варианта верны, всё зависит от того, хотите Вы показать процесс (-ing окончание), или завершенное действие.
3) Not all the birds are flying south. Are all the birds flying south?
6) They aren't travelling in Europe at present. Are they travelling in Europe at present?
7) Helen isn't taking dancing lessons at the country club. Is Helen taking dancing lessons at the country club?
8) Mr. Evans isn't writing a series of articles on the economic situation. Is Mr. Evans writing a series of articles on the economic situation?
9) Ann isn't doing well in her studies at present.Is Ann doing well in her studies at present?