1
1 have had
2 had done
3 had stopped
4 had missed
5 had written
2
1 had done, phoned
2 repaired, had come
3 had visited
4 entered, understood, had been
5 had written, went
3
1 ...I had done my homework.
2 ...the rain had stopped.
3 ...I had watched TV.
4 ...I had brought it from the library.
5 ...we had done some shopping.