It’s a nice easy listening kind of song sung by a group with female lead voice. It has several French lines in it then it has the English speaking park which includes “when you say” then the French phrase. IIRC it was on 50’s or 60’s Sirius but I could not write the title down while driving.
Any ideas?
Que sera, sera? That’s Spanish, though.
Voulez-vouz couchez avec moi? Sung by a guy.
That’s 70’s
I just recalled it also had an almost Jimmy Durante like “hot cha cha cha cha” refrain throughout the song.
Claudine Longet’s version of Love Is Blue (L’Amour est Bleu)
Beat me to it! ETA: except, wait, isn’t it all in French?
I had never bothered to look it up before, but Wikipedia says—
Patti LaBelle is a guy?
No. At about 1:20 she starts speaking in English over the French lyric. It doesn’t include “when you say,” though.
Here’s the lyrics of Longet’s version. (There were various versions in French and/or English in the late 1960s.)
May be all in French too, I don’t remember and didn’t feel like sitting through the entire song to find out. It has French phrasing though and was on the radio sometime around the late sixties/early seventies, but not sung by a group.
Probably NSFW due to accompanying imagery.
Dominique
Mid 60s. All in French.
It’s entirely in French, except for the orgasm, which is in Primal Language. 
Very popular with the guys in my high school class when it came out in 1969.
It was very popular with me when it came out in 1969. 
Ca Plane Pour Moi? But wrong decade.
I assume that’s french.
Beatles - Michelle Lyrics
Here are some websites with lists of songs with French words in them:
http://boards.straightdope.com/sdmb/archive/index.php/t-215898.html
http://www.songfacts.com/category-songs_with_foreign_words_in_the_lyrics.php
Theme from A Man and A Woman?
Hey, it was the 70’s.
Thanks for suggestions. Have not found it yet, will keep looking.
Nat King Cole’s Darling Je Vous Aime Beaucoup? (1953)
Sarah Vaughan’s “C’est La Vie”? It fits somewhat.