the most interesting
C'est le roman le plus intéressant que j'aie jamais lu.
It's the most interesting novel I've ever read.
C'était le film le plus intéressant que nous ayons jamais vu.
It was the most interesting film we had ever seen.
Quel est le travail le plus intéressant que vous ayez jamais eu ?
What is the most interesting job you have ever had?
Quel est ton ami le plus intéressant ?
Who is your most interesting friend?
Je lis le livre le plus intéressant de ma bibliothèque.
I’m reading the most interesting book in my library.
C'est de loin le plus intéressant de tous ses romans.
It is by far the most interesting of all his novels.
Quel est l'endroit le plus intéressant que vous ayez jamais visité ?
What is the most interesting place you have ever visited?
It's the most interesting one.
Quel est celui de tes amis le plus intéressant ?
Which of your friends is the most interesting?