The phrase "put forth a theory" is correct and usable in written English.
It can be used when introducing or presenting a hypothesis or idea for consideration or discussion.
Example: "In her research paper, she put forth a theory that challenges the traditional understanding of climate change."
Alternatives: "propose a theory" or "present a theory."
"They put forth a theory that explains that the responsibility lies with someone else".
During the early 1930s, the French dramatist and actor Antonin Artaud put forth a theory for a Surrealist theatre called the Theatre of Cruelty.
Laura Turner Seydel, who was wearing a T-shirt that spelled "Captain Planet" in rhinestones, put forth a theory that comes up a lot.
The IAAF did not explore this possibility, but instead put forth a theory that the body is throwing all that energy out.
Perhaps you could make an inference and put forth a theory that a below-average initial bounce is a leading indicator that Mr. Ryan will eventually prove to be a damaging choice.
In essays such as Naobi no mitama ("The Rectifying Spirit"), Kuzubana ("Arrowroot Flowers"), and Tamakushige ("The Jeweled Comb-Box"), he put forth a theory of history in which these two deities were identified as responsible for the unfolding of events.
"So a lot of people are putting forth a theory, and I think it has merit, where you go ahead and give the president... the rate increase on the top 2 percent, and all of a sudden the shift goes back to entitlements".
Schiappa and his co-authors, Peter B. Gregg and Dean E. Hewes, won the award for their 2005 essay, "The Parasocial Contact Hypothesis," which puts forth a theory of media influence that has been used by scholars all over the world since its publication in 2005.
"A lot of people are putting forth a theory - and I think it has merit - where you go ahead and give the president the... rate increase on the top 2percentt, and all of a sudden the shift goes back to entitlements," Corker said.
The back-and-forth comes after a panel of aviation experts assembled by the Australian edition of "60 Minutes" put forth a new theory about the final hours of the flight.
At the beginning of the 1970s, Eleanor Rosch put forth a new theory of the mental representation of categories.
