Past Perfect vs Past Perfect Continuous

1. At the airport we realized that we ______________ to switch off the light in the bedroom.

2. We _______________ money for 3 years before we ______________ our gorgeous flat.

3. When I was doing my homework I realized that the teacher ___________ this topic for three hours.

4. Lola came and saw that her son _________________ computer games since morning.

5. I ___________ really bad yesterday at work because I ____________ a strange sandwich for breakfast.

6. We ___________ there since 1980, you know.

7. Did I tell you that when I saw you, I realised that we _____________?

8. I wish we ___________ it before.

9. It __________ and the pavement __________ covered with puddles.

10. The boss __________ to clients on Skype for hours so she ___________ a break