Romance Languages:
* Spanish: "Eres mi amor" (formal) or "Mi amor" (informal)
* Italian: "Sei il mio amore" (formal) or "Amore mio" (informal)
* French: "Tu es mon amour" (formal) or "Mon amour" (informal)
* Portuguese: "És meu amor" (formal) or "Meu amor" (informal)
Germanic Languages:
* German: "Du bist meine Liebe" (formal) or "Meine Liebe" (informal)
* Dutch: "Jij bent mijn liefde" (formal) or "Mijn lief" (informal)
* Swedish: "Du är min kärlek" (formal) or "Min kärlek" (informal)
* Danish: "Du er min kærlighed" (formal) or "Min kærlighed" (informal)
Slavic Languages:
* Russian: "Ты моя любовь" (formal) or "Любовь моя" (informal)
* Polish: "Jesteś moją miłością" (formal) or "Moja miłość" (informal)
* Czech: "Jsi moje láska" (formal) or "Moje lásko" (informal)
Other Languages:
* Japanese: "あなたは私の愛です" (anata wa watashi no ai desu) - literally "You are my love"
* Korean: "당신은 나의 사랑입니다" (dangsineun naui sarangimnida) - literally "You are my love"
* Chinese (Mandarin): 你是我的爱人 (nǐ shì wǒ de àirén) - literally "You are my lover"
* Arabic: أنت حبيبي (anta habibi) (masculine) or أنت حبيبتي (anta habibti) (feminine) - literally "You are my love"
Remember that the most appropriate way to say "are my love" will depend on the specific language and context.
It's always a good idea to double-check with a native speaker to ensure you're using the correct phrase.