Задайте вопрос к выделенному словосочетанию.
This time yesterday Mary was playing with her little brother.
When it stopped raining John went out for a walk.
My friend bought a new dress last weekend.
The old man fell asleep while reading a newspaper.
Dave was sleeping on the couch when somebody knocked at the door.

Без проблем :DWhen was Mary playing with her little brother?Who went out for a walk when it stopped raining?What did my friend buy last weekend?When did the old man fall asleep?What was Dave doing when somebody knocked at the door?