How do you say Thank You For All The Grade 7 fun in French?

Here are a few ways to say "Thank you for all the Grade 7 fun" in French, with varying levels of formality:

Formal:

* Merci beaucoup pour toute la joie que nous avons vécue en 7ème. (Thank you very much for all the joy we experienced in 7th grade.)

* Je vous remercie sincèrement pour toutes les activités amusantes que nous avons faites en 7ème. (I sincerely thank you for all the fun activities we did in 7th grade.)

Informal:

* Merci pour tout le fun en 7ème! (Thanks for all the fun in 7th grade!)

* Merci pour toutes les bonnes fois qu'on a eues en 7ème. (Thanks for all the good times we had in 7th grade.)

* On s'est bien amusés en 7ème, merci! (We had a lot of fun in 7th grade, thanks!)

You could also use the informal "Merci" on its own, if the context is clear.

You can also personalize the phrase by adding specifics:

* Merci pour toutes les sorties amusantes qu'on a faites en 7ème. (Thank you for all the fun outings we had in 7th grade.)

* Merci pour tous les projets créatifs qu'on a faits en 7ème. (Thank you for all the creative projects we did in 7th grade.)

The best way to say it will depend on who you are speaking to and the context of the situation.