Réponse :

Bonjour,

I have + already + participe passé = j'ai déjà  ...

I have already found unpublished photos and documents

I have already interviewed Holocaust survivors.

I have already contacted a museum for educational material.

I have already found a poem to be read by an actor.

I haven't + participe passé ...........yet = je n'ai pas encore ....

I haven’t found a logo for the episode yet.

I haven’t read several books about the theme yet.

I haven’t watched several films about the theme yet.