Pasado perfecto continuo afirmativo, negativo e interrogativo
Elige la opción correcta entre el past perfect y el past perfect continuous.
1 When I got home, my mother ___ off the TV because she ___ the news.
2 They ____ for hours and ____ track of the time.
3 I ____ about moving last week.
4 When the factory closed she ___ there for 20 years.
5 I was sad when I ___ my house because I ___ it for a long time.
6 They were very tired when they ___ home because they ___ all afternoon.
7 Susan and Mary ___ good friends. They ___ each other since primary school.
8 The boxer ___ a black eye because he ___ the night before.
9 I ___ for ten minutes when, suddenly, a car ___ in front of me.
10 Mrs Simpson ___ the piano for about five minutes when the ceiling ___ over her.