Nani is determined to prove his worth to Manchester United in the coming months as he seeks a new and improved contract - and insists his best is yet to come.
The Portugal winger's current deal at United is due to run out at the end of next season and, with talks in stalemate, he has been linked with a move away from Old Trafford.
However, the 26-year-old is hoping to show Sir Alex Ferguson he deserves a new deal with his performances over the remainder of the campaign as United chase a Barclays Premier League and FA Cup double.
He said in several national newspapers: "I want to show the manager that he can trust me and he can believe in me in every match.
"I want to show him my contribution can help win games. So I'll keep working hard to make sure I'm ready to respond every time I get a chance."
Nani has been in and out of the United side this season and was absent for two months after suffering a hamstring injury against Braga in November.
However, he has started three of United's last four matches, including last week's Champions League last-16 second leg against Real Madrid in which he was controversially sent off, and is eager to keep his spot in the first XI.
"Now my confidence is high and I think the best is still to come from me," he added.
"This is my time and I think I can be important for the team in these big games.
"Because I was injured for two months, I'm fresh now when some other players are starting to get tired.
"I feel I'm in good form and I've nearly arrived at my peak. I think over the next few games I can surprise a few people."
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