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From: joye <joye@nospamhotmail.com>
Newsgroups: fr.lettres.langue.anglaise
Subject: Re: Perfect infinitive
Date: Sun, 17 Oct 2021 15:48:59 -0500
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On 10/17/2021 2:48 PM, campa wrote:
> Bonjour,
> 
> /I would have like to have seen that./
> 
> Est-ce que c'est correct d'écrire ça,

Non.

I would have LIKED to have seen that.

Mais on peut dire, plus souvent et plus naturellement :

I would have LIKED to see that.

> ou est-ce du registre
>   familier ?

Non, pas familier.

> Faut-il préférer une autre tournure ?

Non, pas forcément (à part le "liked").