"upon to perform" is not a correct or commonly used phrase in written English.
The correct phrase is "called upon to perform." This phrase means being asked or expected to fulfill a task or duty. Example: The new employee was called upon to perform her first presentation in front of the entire company.
What are some actions a player may be called upon to perform while playing this game?
At the same time, forces trained for war have been called upon to perform a whole host of missions.
After two successful presidential campaigns, the first lady is being called upon to perform one last trick: elect his successor.
Eileen Elliott Dear Diary: New York doormen are called upon to perform many varied and unusual tasks for tenants.
When someone dies, we are called upon to perform our grief, and it often becomes distorted under scrutiny.
A rearrangement of the planning system was the necessary consequence of the new tasks it was called upon to perform.
His "treatment" called upon Lovelace to perform hitherto unimaginable feats of fellatio -- the more pleasure her character wants to feel, the more oral satisfaction she has to provide.
N'Golo Kanté's busy energy as Chelsea's new midfield shield has given the creators a platform upon which to perform – the France international has slipped seamlessly into this setup – though Oscar was just as feverish with his tackling further up the pitch.
The United States did not go to war in Libya because "there was some dramatic meeting in the Oval Office where everybody tried to persuade the president not to do this, and Samantha rolled in with her flowing red hair and said, 'Mr. President, I stand here alone in telling you that history calls upon you to perform this act,' " said Tom Malinowski of Human Rights Watch, a friend.
But it is this mission that China called upon CIC to perform this week, specifically, to shore up the countrys distressed stock market, which has essentially wiped out all of the gains achieved over the past eight years.
All patients, depending on their surgical management, had received written instructions by the hospital physical therapy staff upon discharge, to perform a home rehabilitation program consisting of progressive loading, range of motion and quadriceps strengthening exercises under non-weight-bearing and weight-bearing conditions, and ice application for effusion and pain control [18].
