Formal:
* Faremos uma conversa amanhã. (We will have a conversation tomorrow.)
* Falaremos amanhã. (We will talk tomorrow.)
Informal:
* A gente conversa amanhã. (We'll talk tomorrow.) - This is a very common and casual way to say it.
* A gente se fala amanhã. (We'll talk tomorrow.) - This is similar to the previous one, but emphasizes the act of talking.
* Te ligo amanhã. (I'll call you tomorrow.) - This is a more specific way to say it, suggesting you will initiate the conversation.
* Te mando mensagem amanhã. (I'll send you a message tomorrow.) - This is another specific way to say it, suggesting you will initiate the conversation via message.
Choosing the right phrase:
* Formal: Use the formal phrases when talking to someone you don't know well, someone older than you, or in a professional setting.
* Informal: Use the informal phrases with friends, family, or people you know well.
Remember, the best way to choose the right phrase is to consider your relationship with the person you are talking to and the context of the conversation.