love hear want remember hate know be understand like forget have see believe need
They have been reading since 3 oclock. ( они читают с 3 х часов.)
Общий вопрос: Have they been playing since 3 oclock? – Yes, they have.
Альтернативный вопрос: Have they been skating since 3 oclock or 2 oclock?
Вопрос к подлежащему: Who has been drawing since 3 oclock?
Специальный вопрос: How long have they been washing the dishes?
Разделительный вопрос: They have been drawing a picture since 3 oclock, havent they?