The phrase "able to guarantee a" is correct and usable in written English.
It can be used when discussing the ability to provide assurance or certainty regarding something, often in a formal or professional context.
Example: "We are able to guarantee a full refund if you are not satisfied with your purchase."
Alternatives: "capable of ensuring a" or "in a position to promise a".
Indeed, even those of us who abandon BBC Radio 5 Live for whole weekends at a stretch – for not being able to guarantee a two-minute general news bulletin on time – have a pretty good idea.
Chinalco would also not be able to guarantee a supply of ore to other Chinese companies, although the companies envision new efforts to market iron and aluminum ore inside China.
So for many years, women who have wanted to be able to guarantee a one-to-one relationship with their midwife have usually had to pay an independent practitioner, at a cost of up to £4,500.
Northern Ireland were glad he did not for, by virtue of keeping the score down against Germany, they were able to guarantee a last-16 spot thanks to Turkey's win against the Czech Republic a few hours later.
Greg Jamison, the man trying to keep the Coyotes in Phoenix was able to guarantee a $300-odd 300-odd millionr lease with the city of Glendale, if he could agree to buy the team by last Thursday.
While the four major mobile networks have been working together to boost capacity in the Park for the public, within the main press centre it is only O2 that will be able to guarantee a signal to the world's media having signed a partnership deal with BT.
General Motors GMM), which panic-bought Saab in 1989 after losing out in bids to acquire Land Rover, Volvo and Jaguar, said earlier this week that it would only sell the Swedish car manufacturer to "sound buyers" able to guarantee an ongoing supply of spare parts to Saab drivers.
This emulation approach has been proven to be able to guarantee an accurate evaluation of the system performance under real-time constraints.
Moreover, it should allow extracting all the parallelism contained in the applications, and be able to guarantee an easy and effective mapping on massively parallel MPSoCs.
Despite Bloomberg's vow to veto the inspector general bill, Quinn said she would be able to guarantee an override.
