The phrase "casting doubts" is correct and commonly used in written English.
It typically means raising doubts or causing uncertainty about something. It can be used in various contexts, such as discussing a decision, belief, or theory. Example: The new evidence presented in the trial is casting doubts on the defendant's alibi. In this sentence, "casting doubts" means that the new evidence is making it uncertain or questionable whether the defendant's alibi is true.
However, business investment fell 0.9% on the quarter, casting doubts over the outlook for growth.
Catelyn runs into trouble transporting Tyrion to her sister's castle, casting doubts on his guilt behind the assassination attempts.
It made perfect sense that Donald Trump would follow up the question of Obama's citizenship with one casting doubts on his academic performance at Columbia.
This month, the Skiff e-reading platform, developed by Hearst, was acquired by the News Corporation, casting doubts on the planned introduction of a Skiff reading device.
For weeks, CIT faced the looming threat that its auditors would send out a "going concern" opinion casting doubts about its sources of funding.
But the mortgage relief has also drawn opposition from the right, including Republican leaders in Congress, casting doubts on the proposal's prospects.
But the government has been slow to act against them, casting doubts that the authorities have cut all ties with Lashkar-e-Taiba.
Looking back, I now realize that the tactics (guilt, disorientation of senses, casting doubts of their moral identity) would probably qualify as brainwashing.
Having also endured a 374-minute spell without an open play goal, Columbus's was casting doubts on whether Berhalter's approach could live up to its promised.
The emerging giants have lost some of their economic sizzle lately, which might have had an effect not (as in the West) by cutting jobs and government services, but by casting doubts on the cult of growth.
Joining Jack Welch, former chief executive of General Electric, in casting doubts on the report was Miles S. Nadal, chairman and chief executive of MDC Partners, which owns agencies like Crispin Porter & Bogusky and Kirshenbaum Bond Senecal & Partners.
