Formal:
* நான் உன்னை நேசிக்கிறேன் (Naan unnai naesikkiren) - This is the most common and formal way to say "I love you" in Tamil.
Informal:
* உன்னை நேசிக்கிறேன் (Unnai naesikkiren) - This is a more informal way to say "I love you," leaving out the "I" for a more intimate feel.
* நான் உன்னைப் பாசப்படுறேன் (Naan unnai paasappaduren) - This translates to "I love you dearly" and is a very affectionate way to express love.
* உன்னைப் பாசப்படுறேன் (Unnai paasappaduren) - Similar to the above, but leaves out the "I" for a more intimate and loving feel.
* நான் உன்னை ரொம்பப் பிடிக்கும் (Naan unnai romba pidikkum) - This translates to "I like you very much" and is a casual way to express affection.
* உன்னை ரொம்பப் பிடிக்கும் (Unnai romba pidikkum) - Similar to the above, but leaves out the "I" for a more intimate and loving feel.
Romantic:
* நான் உன்னை காதலிக்கிறேன் (Naan unnai kaadhalikkiren) - This translates to "I love you" in a romantic context.
* உன்னை காதலிக்கிறேன் (Unnai kaadhalikkiren) - Similar to the above, but leaves out the "I" for a more intimate and loving feel.
It's important to note that the choice of phrase depends on the context and your relationship with the person you're talking to.
Example:
* If you're talking to your parents, you would use the formal phrase "Naan unnai naesikkiren".
* If you're talking to your partner, you might use the informal phrase "Unnai naesikkiren" or the romantic phrase "Naan unnai kaadhalikkiren".
It's always good to be mindful of the relationship dynamics and use the appropriate phrase for the situation.