"closely supervising" is a correct and usable phrase in written English.
You can use it when describing someone who is carefully and attentively overseeing a task or project. Example: The CEO was closely supervising the team's progress on the new product launch, ensuring that every detail was executed flawlessly.
By more closely supervising convicts on parole, states have kept many of them from returning.
Considering how quickly he had to work, the complexity is astonishing, with Korngold closely supervising sumptuous orchestrations by associates.
The experiments showed that closely supervising young offenders, instead of incarcerating them, did not increase the youth crime rate or the risk to public safety.
The president's plan calls for more closely supervising the cash transfers and limiting them to direct family members who are not Communist Party officials.
Only seasoned law firm lawyers can reverse this perception and set a powerful example to their junior colleagues by taking on pro bono matters and by encouraging and closely supervising younger lawyers who do so.
The George W. Bush White House began more closely supervising the F.D.A. Republicans were critical of government regulations, and no agency issued more rules with greater influence over daily life than the F.D.A., which oversees foods, drugs, tobacco, cosmetics and other products that account for 25 cents of every dollar consumers spend.
(4) Close exercise supervision: during the exercise sessions, we will closely supervise exercising participants to ensure that they exercise within their prescribed training ranges.
Thirdly, these children may be closely supervised by their parents and this supervision can avoid children learning bad behaviors (Coleman 1988).
He closely supervises political fund-raising.
Were he to read mammograms again, he would need to be closely supervised for a year.
The orders must closely supervise abusive priests, but cannot expel them from their ranks, he said.
