• After they (see) the Tower, they (go) to Westminster Abbey.
had seen/ went
• He (ask) me which animals I (see) in Africa.
asked/ had seen
• After Columbus (discover) America, he (return) to Spain.
had discovered/ returned
Before they (move) to Liverpool, they (sell) everything.
moved/ had sold
After he (work) very hard, he (fall) ill.
had worked/ fell
She (open) the box after she (find) the key.
opened/ had found
They (go) to a restaurant after they (sail).
went/ had sailed
Before they (start) the party, they (invite) some friends.
started/ had invited
When I (get) to the airport I discovered I (forgot) my passport.
got / had forgotten
We lost the match because we (practise / not) the days before.
hadn't practised
In the shopping centre, I met a friend who I (see / not) for ages.
hadn't seen
At school, Jim quickly copied the homework that he (do / not)
hadn't done
The thief could walk right into the house because you (lock / not) the door.
hadn't locked
When we came back, it was cold in the house because Alice (close / not) the windows.
hadn't closed
We ate at a restaurant last night because I (buy / not) anything for dinner.
hadn't bought
(you / eat) anything before you went to the theatre?
Had you eaten
