task 3. put the verbs in brackets into the past simple, past continuous, past perfect or past perfect continuous.
1. ) a book when i went to his office, so i interrupted him.
2. we didn't talk to bill at school, because when we got there /go) home.
3. /win) the young inventor of the year award last year, but she's sure she will this year.
4. ) to fix his computer for two hours before he decided to call a professional.
5. ) on the phone when i went to his office, so i didn't want to interrupt him.
6. we didn't see jane at the party, because when we got there /go) home.
7. (not/win) the young inventor of the year award last year, but he's sure he will this year.