Present perfect and simple past

1. We _________________ (see) Barbara yesterday.
2. He _________________ (be) a police officer before he _________________
(become) an artist.
3. When the boss _________________ (walk) into the room, we
_________________ (know) someone was going to get fired.
4. The children_________________ (break) a window in the church last week.
5. He _________________ (see) that film yesterday.

___________________________________________________________________________________________________

answers:

<sub>1. We saw Barbara yesterday.
2. He was a police officer before he became an artist.
3. When the boss walked into the room, we knew someone was going to get fired.
4. The children broke a window in the church last week.
5. He saw that film yesterday.</sub>