Réponse:
EXCERCISE 1
1) I had worked
2) he had painted
3) we had listened
4) you had spoken
5) they had found
EXCERCICE 2
1) had planted
2) had already started
3) had never been
4) had read
5) had not
EXCERCICE
1) your husband had made
2) Tina had finished her homework
3) have you had lunch
4) what has he done
5) she had moved to paris already