merci madame or monsieur
you say:"Thank you so much for this invitation"
to send an invitation is 'envoyer une invitation' in French.
Thank you for the invitation is right.
l'invitation
Thank you is "merci" in French.
It is correct English to say "thank someone for something" eg "My wife and I thank you for your kind invitation to your daughter's wedding"
Thank you is 'Merci' in French
Thank you Ma'am is 'merci madame' in French.
SAY iam praying from God keep you for me, forever.
Thank you in French is Merci. How are you in French is Ça va? or Comment ça va?. Thank you and how are you in French is Merci et ça va?.
The most common and simple way to say "thank you" in French is: Merci.
merci