1.At the airport we realized that we to switch off the light in the bedroom * forgot
had forgotten
had been forgetting
2. We money for three years before we our flat. *
saved/ bought
were saving/had bought
had been saving/bought
3. When I was doing my homework I realized that the teacher this topic for three hours. *
had been explaining
explained
had explained
4. I wasn’t hungry. I just lunch. *
had been having.
had had
had
5. My dad bought me a new phone. I it for a long time. *
had been wanting
wanted.
had wanted.
6. I really bad yesterday at school because I a strange sandwich for breakfast. *
felt/had
felt/had had
had felt/had been having
7. We for about 20 minutes when a car stopped. *
had walked
were walking
had been walking
8. He was out of breath. He *
was running.
had been running.
had run.
9. It ___ and the ground was wet. *
had been raining.
was raining.
had rained.
10. I home before he. *
came / arrived.
came / had arrived.
Both are correct
11. John didn’t want to come to the cinema, because he already the film. *
saw
had seen
had been seeing
12. Lola came and saw that her son computer since morning. *
had been playing
had played
was playing