1. The plane __leaves__in twenty minutes.
2. If you follow this diet, you_will lose_ some weight.
3. He _ is writing__a new book this summer.
4. I __met__Helen in the morning. (now it is evening)
5. We __have spoken__ to the Dean in the morning. (it is still morning)
6. He __was having__ breakfast when he heard a loud noise in the hall.
7. They _have been building__ this house since April and there is still much work to do.
8. He was late for the conference because he _had missed__ the 7 o'clock train.
9. I _will be waiting__for you at the restaurant at 6 tomorrow.
10. They _will have decorated__the room by the time you come home.
11. She _had been working__ at school for ten years before she met James.
12. Tom __will have been teaching___History for ten years by next month.
