In Le Passé Composé, some verbs have very short irregular past participles (vu, dû, pu, bu, cru, su, lu, plu, tu).
Learn how to conjugate VOIR (to see), DEVOIR (to have to), POUVOIR (to be able to), BOIRE (to drink), SAVOIR (to know), LIRE (to read), PLAIRE (to like) and TAIRE (to keep quiet) in Le Passé Composé in French
As-tu vu l'éléphant rose?Did you see the pink elephant?
J'ai dû annuler mon vol.I had to cancel my flight.
Vous avez pu rencontrer Sting.You were able to meet Sting.
You could meet Sting.
Ils ont bu toute la soirée.They drank all night.
Je ne l'ai jamais cru.I never believed him.
Elle n'a jamais su la vérité.She never knew the truth.
Nous avons lu ce livre hier.We read that book yesterday.
Vous m'avez toujours plu.I always liked you.
Il a tu les raisons de son départ.He kept quiet the reasons of his departure.
Note that they all work with avoir as an auxiliary.
It's worth learning this list by heart since these verbs all have the same sounding short past participle:
voir (to see) -> vu
devoir (to have to) -> dû
pouvoir (to be able to) -> pu
boire (to drink) -> bu
croire (to believe) -> cru
savoir (to know) -> su
lire (to read) -> lu
plaire (to like/to please) -> plu
taire (to silence, to keep quiet) -> tu [rare]
See also: Using "plaire" to express liking something / someone
Using "devoir" in the imperfect tense versus the compound past in French (L'Imparfait vs Le Passé Composé)
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