Quick answer
Мо́жет быть
mózhet byt — literally “it may be”
The options
Мо́жет быть.Maybe.
Наве́рное.Probably. — more likely than not
Возмо́жно.Possibly. — a touch formal
Вряд ли.Unlikely.
Посмо́трим.We’ll see.
да нет, наве́рное
The famous phrase Да нет, наве́рное contains “yes”, “no” and “probably” and means “well, probably not”. The да is not a yes at all — it is a filler, like the English “well”.
What you hear back
Хорошо́, посмо́трим.All right, we’ll see.
Как хо́чешь.As you like.
Дай знать.Let me know.
Typical mistakes
Reading да нет as a contradiction
It means “well, no”
The да is a discourse filler, not an answer.
Мо́жет быть, я приду́ — written without a comma
Мо́жет быть, я приду́.
The phrase is set off by a comma.
Check yourself
What does Да нет, наве́рное mean?
The да is a filler; the sentence means “probably not”.