The youngster endured a difficult year in the Premier League last season.
Villa will be competing in the Championship next season after a disastrous year in the Premier League last season.
Aston Villa's Jack Grealish in action
The majority of the squad were disappointing in that campaign, but arguably none more that youngster Grealish.
A number off the field issues saw him dropped by manager Remi Garde, culminating in him making just 16 appearances.
Aston Villa's Jack Grealish during the warm up session before the game
He his expected to be a big star for them in the second flight under Roberto di Matteo, but Taylor insists that he still needs to prove he warrants a place.
"He's still developing, he's still got a lot to learn," he told the Daily Star.
"I think we all know that Jack's got ability - it's just doing it on a consistent basis. It's up to him now, and a lot of the players, to prove that he warrants a place in the team.”
Aston Villa's Jack Grealish applauds the fans at the end of the match
There’s no denying that Grealish has to prove himself next season after seeing his development stall over the last year.
Whether he can do that in the Championship though remains to be seen, with Aston Villa facing a tough year.
They, alongside Newcastle United, will the scalp everyone wants to make and Grealish may find it tougher to make an impact than he is anticipating.