To be filled with joy
= "être rempli de joie"
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You missed 'pour' at the beginning :)
I am filled with joy = Je suis rempli de joie
To be filled with joy = 
Pour être rempli de joie
Filled with joy = Rempli de joie

I hope i helped, please say thanks! :D

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There is not "pour"
I'm french :)
pour is for, but adding etre after turns it into to be :D