Ответ:
1 had already eaten, brought
2 had had, sold
3 had never phoned
4had fallen
5 went, had finished
6 had prepared, arrived
7 had already made, got up
8 started, had left
9 realised, had forgotten
10 bought, had sung
11 had been stealing
12 had been ringing
13 had painted
14 had been doing
15 had eaten