... would have liked to have seen ...
The Oxford Dictionary of English Grammar - Page 128
Bas Aarts, Sylvia Chalker, Edmund Weiner · 2014
Double Marking
https://www.usingenglish.com/forum/threads/double-perfect-infinitive.137209/
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https://forum.wordreference.com/threads/i-would-have-liked-to-have-seen-her.2837818/
