Ann has been writing a letter for 2 hours.
They have been talking since the morning.
It has been raining for half an hour.
She has been cooking dinner since 2.00 p.m.
He has been making a fire for 20 minutes.
He has been taking pictures for half an hour.
Bring me a piece of paper
What boy bought yesterdey?
when boy bought yesterday?
who bought a sweet yesterday?
Тем летом Мэри хотела поехать в Испанию.