Odpowiedź:
Wyjaśnienie:
1. When I left school, I had been to 12 countries
2. When my uncle left his last job, he had been working there for 10 years
3. When my parents got married they had been going out for 4 years
4. I didn't take an umbrella with me this morning because it wasn't raining
5. When I got to class this evening the lesson had already started