Nani has struggled since joining United from Sporting Lisbon in a £17million deal, two-and-a-half years ago, but has made som impressive displays in recent games.
Neville said in The Sun: “Nani’s performances against Hull City, Manchester City and Arsenal have been absolutely fantastic.
“He has incredible ability, and when he performs like he did against Arsenal he is unstoppable. Players like Nani, who have such high skill levels, rely on confidence.
“We hope the level of performance, determination and skill he has shown in the last few games can be maintained until the end of the season because he’s a matchwinner for us. I think Nani can be anything he wants to be.
“People expect so much from young players, but it sometimes takes time. It took time for Cristiano Ronaldo to settle in at United as well.”