to guarantee (to assure that something will get done right)
regularauxiliary: avoir
Conjugate garantir in French. Present: je garantis, tu garantis, il/elle/on garantit. Passé composé: j’ai garanti. Past participle: garanti. Auxiliary: avoir. Pronunciation and examples available.
Je garantis que le colis arrive demain.
I guarantee that the package will arrive tomorrow.
J’ai garanti que le colis arriverait à temps.
I guaranteed that the package would arrive on time.
Je garantissais chaque matin que le magasin ouvrirait à l'heure.
I guaranteed every morning that the store would open on time.
Je garantirai que le colis arrivera à temps.
I will guarantee that the package will arrive on time.