The phrase "are even more certain" is correct and usable in written English.
It can be used when comparing levels of certainty between two or more subjects or situations, indicating that one is more certain than the other.
Example: "After reviewing the evidence, the scientists are even more certain of their findings than before."
Alternatives: "are increasingly confident" or "are more assured."
Mr. Obama also will propose added spending that Republicans are even more certain to oppose.
One is that the TV debates between the main party leaders are even more certain not to happen in the general election campaign.
Physicists at CERN reported Aug. 1 that they are even more certain than they were at the historic July 4 announcement that the particle they recently observed is the "Higgs boson".
Women are even more certain about this: A striking 90percentt said attitudes of men in a company play a role in holding women back, while only 49percentt of men said the same.
Mr. Wang was even more certain, predicting a 98 percent likelihood.
He was even more certain about what would happen to Mr. Muhammad.
They were even more certain that before next May he would be eased out for Pep Guardiola.
Mr Alckmin is "much more prepared [than Lula] to make the state efficient" and therein lies the big difference between them, says Aécio Neves, the PSDB governor of Minas Gerais, whose re-election is even more certain than Lula's.
Mr Basescu's defeat is even more certain since the Social-Liberal government of Mr Ponta has changed the referendum rules: there is no required minimum turnout for a referendum to be valid, which means that the dismissal of the president can be approved with the majority of those participating, however few.
His predecessor, Bruce Lehman, who ran the agency from 1993 to 1998 and left to found a nonprofit group called the International Intellectual Property Institute, devoted to promoting intellectual property issues around the world, was even more certain that there would be no sudden policy shift.
Today, two startups later, I'm even more certain of that feeling.
