The phrase "got more concerned" is correct in written English and is commonly used in both formal and informal writing.
Example: As the storm grew stronger, the family got more concerned about the safety of their home.
"I probably got more concerned or angry than he did at the time.
At the time, though, I thought the cop was more interested in law enforcement than in getting me help, and, as the minutes ticked by, and finally a distant siren sounded, and receded, we got more concerned and impatient.
And the N.F.L. seems to be getting more concerned about the hit to the defenseless receiver.
"It is also apparent that the Fed is getting more concerned about the 'costs and risks' of its policy experimentation".
But things have changed because companies are getting more concerned about how they reduce their costs while simultaneously reducing their risk.
Competition in the solar cell market is nowadays hard-hitting, so it is getting more concern on the cost in the manufacturing of the thin-film solar cells.
Advisers have got more pressing concerns than the future.
"But if you're worried about next week, or what happens six months from now, you've got more immediate concerns".
And controversy aside, McHale added that he's got more pressing concerns about his own job at the ESPYs.
Therefore, the authors suggest that the device should presently be used primarily in controlled clinical trials in order to get more information concerning the optimal indication.
Therefore, the authors suggest that at the time being, the device should primarily be used in clinical trials only, in order to get more information concerning the optimal indication.
