Discuss and learn French: French vocabulary, French grammar, French culture etc.
"Vous louez une piece " needs a grave accent on the "e"
You could use "erreur" for "faute"-"ton erreur"
Is that what you needed to know or is it another kind of exercise?
It sounds like this is an exercise in transforming the sentences into the imperative. So e.g. the first one should be transformed into:
"Corrige ta faute!"
Pour donner les ordres, employez l’impératif. Par exemple -