I'd like the club to keep him, I think he could be an absolute United legend," Sharpe told Sky Sports News. "I think he's one of the best players they've got at the club.
"He's world class on his day. I know at times he doesn't do that for 90 minutes and often enough but I think if they were to build a team around him and bring a few players in that can play around him and get on his wavelength I think he could be a sensation for United.
"The only thing is if Paul Pogba has decided that he wants to leave then there's not a lot you can do about that if you've got an unhappy player.
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"I don't think he's as distracting and a bad influence in the dressing room as people make out. I think the players quite like him to be fair, I don't think that's the issue.
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"I think it's whether Paul Pogba wants to stay at Manchester United."In the current situation when they're re-building and they're not really challenging for leagues it's a question he needs to ask himself and whether he wants to go elsewhere and look for that.
"But he could be a massive part of the re-build. They could build a team around him and he could be a United legend for years to come."
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United, meanwhile, are in talks with Sporting Lisbon to sign creative-midfielder Bruno Fernandes.
The two clubs are currently far apart in their valuations, so does Sharpe think it is vital they get the deal over the line?
"I think it's important they get a deal like this done," he added. "If not this guy then they certainly need a little bit more creativity in midfield.
"I still think they need a back-up for Marcus Rashford and Anthony Martial up front.
"I think they need a goal-scorer and with a couple of world-class players and potential goal scorers in the team I think things will start to look slightly different and a lot more positive."