1. Last week, I met an old friend from university who I (see / not) had not seen for at least 20 years. Ans: had not seen

2. He walked across the garden, up the steps and right into the house because you (lock / not) had not locked the door. Ans: had not locked

3. It’s true that we weren’t the most naturally gifted team but the real reason we lost was because we (practise / not) had not practised before the match. Ans: had not practised

4. At school, Elly quickly copied the homework questions that she (do / not) had not done the previous evening because of the party at Marieanne’s house. Ans: had not done

5. We went down the coast and ate and this wonderful Greek tavern by the sea out because I (buy / not) had not bought anything for dinner. Ans: had not bought

6. When we came back, the flat was full of mosquitoes because Winnie (close / not) had not closed the windows. Ans: had not closed

7. The interviewer was not impressed with me just because I (greet / not) had not greeted him when I walked into the room. Ans: had not greeted

8. It must have been a wild party because when I met Jane at eleven o’clock, she (have / not) had not had breakfast yet. Ans: had not had

9. I couldn’t go camping with my friends over the weekend because I (finish / not) had not finished my dissertation. Ans: had not finished

10. Fred offered to help even though I (ask / not) had not asked him. Ans: had not asked