The phrase "as being certain" is correct and usable in written English.
It can be used when you want to express a state of assurance or confidence about something.
Example: "The researchers presented their findings as being certain, leaving no room for doubt."
Alternatives: "as being sure" or "as being confident".
He characterized intelligence officials as being "certain" that Chinese engineers were able to photograph the helicopter and even walk away with samples of the wreckage.
I'm one of numerous critics on record as being certain, based on no evidence, that Matisse womanized during his decades in Nice, which started with seasonal sojourns in 1917, when he lived in hotel rooms painting naked or harem-garbed models who, Spurling writes, "were drawn from the tide of human flotsam washed up in Nice between the wars".
While I always urge caution against treating an election outcome as being certain — especially when it comes to voting in the Deep South — there is just not a lot of reason to expect an upset by Mr. Gingrich or by Mitt Romney, who is running second in the polls.
So when he maintains that science is a "habit of the understanding" he means to claim that human reason, when properly employed, can discern groups of facts, establish a certain order and interconnectedness between these facts, and ultimately justify them as being certain parts of human knowledge.
Online shops are excluded, as are certain stores across the country and some central London outlets.
Microscopy, therefore, is a necessary technique in zoology, as are certain physicochemical methods for isolating and characterizing molecules.
Her days at the Park Lane Hotel (a Helmsley property) were breathlessly discussed as were certain medical conditions pertaining to her kidneys.
The place of lakes within the hydrologic cycle is further dealt with in hydrosphere, as are certain aspects of lake sedimentation and water chemistry.
Chlorophyll, the green pigment essential in photosynthesis, is partly isoprenoid, as are certain alkaloids, nitrogen-containing compounds present in many plants.
The success of the algorithm is demonstrated numerically, as are certain limitations.
Hospitals are few and far between in the area I'm from, as are certain services for people who use drugs, such as methadone programs.
