The phrase "are often put on" is correct and usable in written English.
It can be used when discussing something that is frequently applied or imposed on someone or something, often in a figurative sense.
Example: "In many organizations, strict deadlines are often put on employees to ensure productivity."
Alternatives: "are frequently imposed" or "are commonly applied".
Government programmes target married women, who are often put on long-term contraception.
With the threat to national security in the foreground, issues of economic management are often put on the back-burner.
There is no recommended treatment, although patients are often put on ventilators and given corticosteroids to fight inflammation in their lungs and other supportive therapy.
While they are often put on computers without notification, users can set their Web browsers to accept cookies, block them or accept them case by case.
It can take at least several months for wills to be probated by courts, even though the apartments are often put on the market before probate is completed.
Females can still join a family, but they are often put on birth-control pills to prevent them from having babies, Lukas said.
When people eat muesli, it is a healthy food but they are often putting on lots of weight," he told the meeting.
The chariot races were important in the Byzantine Empire, as in the Roman Empire, as a way to reinforce social class and political power, including the might of the Byzantine emperor, and were often put on for political or religious reasons.
Knight said that too much emphasis was often put on coaching ability.
Poetry is written off by too many pupils as "a bore" and is often put on a par with clog dancing by the public, according to a former poet laureate.
In the telling of Darwin's story, emphasis is often put on his presence as a family man, the devoted husband and father of 10 children who had the free run of the house and even his study.
