"guarantee five years" is correct and usable in written English.
You can use it when you want to state a warranty period for a product or a guarantee for a service that you are offering. For example, "We guarantee our product for up to five years".
All admitted PhD students are guaranteed five years of 12-month stipend and tuition support.
He consistently told people that they were guaranteed five years to play here.
An aide to Mr. Bush said that a 39-year-old person would pay an annual premium of about $358 for a policy that guaranteed two years of nursing home care, and $507 for a policy that guaranteed five years; a 64-year-old would pay about $1,265 for the two-year guarantee and $1,709 for the five-year one.
All students accepted into the program are guaranteed five years of stipend support, as well as full tuition.
In July, the 10-time All-Star signed a guaranteed five year, $118m contract.
Mattingly is guaranteed two years.
Mr. Litow said that while no positions at I.B.M. could be guaranteed six years in the future, the company would give P-Tech students preference for openings.
Undergraduates are guaranteed four years of University housing (two or three years for transfer students based on their entering class standing) if: 1) they are in compliance with the University housing agreement and University polices; 2) they apply by the appropriate Draw deadlines; and, 3) they are willing to live anywhere on campus.
Students who remain in good standing are guaranteed six years of full funding.
"It is just a really lovely and fortunate situation, knowing we're guaranteed two years in the Premiership".
However, councils have said that until their income is guaranteed three years in advance, they cannot plan ahead.
