Bonjour,
Réponse :
PASSIF
BE ( conjugué au temps voulu ) + participe passé
Il faut savoir conjuguer BE à tous les temps et connaître les participes passés ( verbes réguliers: on ajoute "ed" / verbes irréguliers : 3ème colonne des verbes irréguliers )
Complete the following passive voice sentences in the tenses suggested
1. This picture (always admire) simple present.
→ This picture is always admired
2. Graffiti (allow) everywhere. - should
→ Graffiti should be allowed everywhere
3. This exercise (do) very carefully. - present continuous
→ This exercise is being done carefully
4. The box (not open) for the last hundred years. - present perfect
→ The box hasn't been opened for the last hundred years
5. The Tower of London (use) as a prison. - preterit
→ The Tower of London was used as a prison
6. This artist (forget) in a few years' time. - future
→ This artist will be forgotten in a few year's time