The phrase "ability to devote sufficient time" is correct and usable in written English.
It can be used when discussing someone's capacity to allocate enough time for a task or responsibility.
Example: "Before taking on this new project, I need to assess my ability to devote sufficient time to it."
Alternatives: "capacity to dedicate enough time" or "capability to allocate adequate time".
Reckitt's statement from December was frank on why Cousins would leave at the next annual meeting: "Richard is assuming an increasingly day-to-day operational role as CEO of Compass Group, which he has concluded will impact on his ability to devote sufficient time to his role as a non-executive director of Reckitt Benckiser".
"This time we must ensure that the process is open, transparent, robust and vigorous, so that the nominee is able to assure all the stakeholders of their knowledge of the subject matter, their ability to devote sufficient time to it and their fitness for the job".
There is also a severe lack of funding from universities for academic staff to be able to devote sufficient time to the work.
"With regret I have concluded that I am no longer able to devote sufficient time to my role as a director of Barclays given my other commitments.
With the larger orchestras pulling him both to the east and the west, Mr. Schwarz, 53, said last week that he would not be able to devote sufficient time to the smaller Chamber Symphony.
"One final problem area which the Master believes could be improved with proper administration is the failure of many users to devote sufficient time to the complete development of available water resources.
"With regret I have concluded that I am no longer able to devote sufficient time to my role as a director of Barclays given my other commitments," Ms. Carnwath said in a statement on Wednesday.
Thus, men are unlikely to devote sufficient time for AIV preparation compared to women.
But the resignations coincided with Verizon's board adopting guidelines that require directors to "devote sufficient time to fulfill their responsibilities to Verizon".
Orderic Vitalis records that William tried to learn to read Old English late in life, but he was unable to devote sufficient time to the effort and quickly gave up.
