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Date: Sun, 17 Oct 2021 21:48:40 +0200 (GMT+02:00)
From: campa <fgrdga@bidonflan.flanbido>
Subject: Perfect infinitive
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Bonjour,

/I would have like to have seen that./

Est-ce que c'est correct d'écrire ça, ou est-ce du registre
 familier ? Faut-il préférer une autre tournure ?

Merci.