1.
It had been raining for 3 hours already.
2. It was 12 o'clock. Bob had
been working since 9 o'clock. It was time to have a break!
3. We had been
living in Almaty since 1999.
4. Robert had been playing the piano so
well since he began to train regularly.
5. Why were you so hot? - I had
been running all the way.
6. What was the matter with you? - I had got a
headache. I had been writing Christmas postcards since early morning.
7. I
had been waiting for you at the Museum for an hour!