[header] How to say i love you in french [title] Decide which verb you wish to use. [step] You can use " aimer " (to love), " adorer " (to adore), or " désirer " (to desire). [substeps] " aimer " is the strongest in emotion of the three verbs. 
Don't use it lightly! [title] Use the " tu " form. [step] It's not likely you'd be telling someone formally or someone unknown that you love them! [substeps] " tu " and " vous " are the two forms used when addressing another person.