The phrase "have doubts over" is correct and usable in written English.
It can be used when expressing uncertainty or skepticism about a particular issue or situation.
Example: "Many experts have doubts over the effectiveness of the new policy."
Alternatives: "have concerns about" or "question the validity of".
While I have doubts over the absolute figures for some of the more advanced measurements, they seem consistent and change in a predictable manner as your body changes.
Baker told the Argus: "Robin Cook was on Ministry of Defence land, I believe, when he died and certainly I have doubts over what happened".
Hodgson, who will have doubts over the fitness of Damien Duff and their top scorer, Bobby Zamora, right up until the final, deflects all such generosity directed at him.
Dortmund still have doubts over the defender Mats Hummels, who returned to training on Thursday after an ankle injury, and the Polish midfielder Jakub Blaszczykowski, who is still troubled by a groin strain.
Baker has also been quoted in his local newspaper, the Argus, as saying: "Robin Cook was on Ministry of Defence land, I believe, when he died and certainly I have doubts over what happened".
See, while many may have doubts over whether the committee will be able to reach a deal on the budget, there is hope that the committee might be able to reach an agreement that would help reach some minor compromises that will help blunt the second round of sequester cuts.
The DCSF has said that the two literacy goals Sylva has doubts over would be reviewed.
Mr. Cohen acknowledged having doubts over the years about whether the measure would ever pass.
But at least one Labor member has doubts over the program.
Even though she would be taking charge of a school for the first time, Ashley Leeson admits to having doubts over whether it really was a step-up.
The captain Scott Brown (hip), Joe Ledley (groin) and the striker Gary Hooper (hamstring) all travelled but Lennon has doubts over one of them, whom he refused to name.
