Раскройте скобки, поставьте глагол в нужное время (Past Simple или Past Perfect):
1. I … (to study) at a university before I started working.
2. By the time I finished working my friends … already … (to go).
3. I … (to learn) well when I was eight years old.
4. When he returned from his journey he … (to tell) me everything about it.
5. I … (to forget) my passport and had to return home.
6. I corrected all the mistakes I … (to make) in my test.