Indefinite article before an identity

Question

Je préférerais être une sorcière!J'adorerais être un loup-garou!Je serais un seigneur de la nuit!En tant que creature nocturne ...... se transformer en monstreHow to know if an article would precede an identity or not? Thanks

Céline Pickard · Accepted Answer

Bonjour Blaise,
Looking at the examples you're referring to, if the "identity" follows verbs expressing a wish, a preference or a personal supposition (i.e. using Le Conditionnel), then the article is usually kept. This is because you are specifying a type of thing you want to be.
Je suis avocat = I am a lawyer
Je préfèrerais être un avocat plutôt qu'un médecin = I would rather be a lawyer rather than a doctor
I hope this is helpful.
Bonne journée !