Formal:
* Je t'aime (pronounced "zhuh tem") - This is the most common and formal way to say "I love you" in French. It is used for friends, family, and romantic partners.
* Je vous aime (pronounced "zhuh voo zem") - This is a more formal way to say "I love you" and is used for people you respect or are in a position of authority over you.
Informal:
* Je t'aime (pronounced "zhuh tem") - This is the same as the formal version, but it can be used in a more casual context with close friends and family.
* Je t'adore (pronounced "zhuh ta-dor") - This means "I adore you" and is a more intense way to say "I love you." It is often used for romantic partners or very close friends.
Romantic:
* Je suis amoureux/amoureuse de toi (pronounced "zhuh swee ah-moo-roo/ah-moo-rooz duh twah") - This means "I am in love with you" and is a more romantic way to say "I love you."
The best way to say "I love you" in French depends on the situation and your relationship with the person you are speaking to.