1 Make the sentence negative. Then make the general question.
The team had finished training by 6 yesterday.
2 Open the brackets. Use past perfect. (Записать только формы глагола)
1. Tom (swim) in the river by 7 yesterday.
2. Mike (leave) the office by the time it got dark.
3. Barbara (draw) the picture by the time her mother came.
4. The children (buy) a new skateboard by then.
5. John (hung) the picture by that time.
6. They (know) the results by the their dad’s arrival.
7. The Black (build) a new cottage by the end of the summer.
1)swum
2)left
3)drawn
4)bought
5)hung
6)known
7)built