Formal:
* ਬਹੁਤ ਵਧੀਆ ਹੋ (Bohut vadhiya ho) - This is the most common and formal way to say "you are very nice."
* ਤੁਸੀਂ ਬਹੁਤ ਚੰਗੇ ਹੋ (Tusi bahut changay ho) - This is another formal option, meaning "you are very good."
Informal:
* ਤੂੰ ਬਹੁਤ ਵਧੀਆ ਏਂ (Tu bahut vadhiya eh) - This is a more casual way to say "you are very nice."
* ਤੂੰ ਬਹੁਤ ਚੰਗਾ ਏਂ (Tu bahut changa eh) - This is another casual option, meaning "you are very good."
Other variations:
* ਬਹੁਤ ਵਧੀਆ ਨੇ (Bohut vadhiya ne) - "You are very nice," referring to a group of people.
* ਤੁਸੀਂ ਬਹੁਤ ਸੋਹਣੇ ਹੋ (Tusi bahut sohne ho) - "You are very beautiful," for someone who is attractive.
The choice of expression will depend on your relationship with the person you are talking to and the context of the conversation.