The phrase "actions are based on" is correct and usable in written English.
It can be used to explain the reasoning or foundation behind certain actions or decisions.
Example: "Her actions are based on a deep understanding of the community's needs."
Alternatives: "decisions are grounded in" or "behaviors stem from".
Mr. Calzone's actions are based on a political vendetta against me and for asking too many questions about the fund's previous mismanagement".
"With most of these dogs, even Meryl, their actions are based on fear," said Mr. Garcia, who communicates with the dogs in soothing baby talk.
Its prescribed stances and actions are based on keen observations of human skeletal and muscular anatomy and physiology, and it employs great muscular coordination.
Mr. Romney's actions are based on his interpretation of a 1913 law which says that the state cannot issue marriage licenses to couples if the marriage would be illegal in their home state.
By depicting the Jewish alumni as a hysterical group whose actions are based on a Zionist agenda rather than on actual scholarly matters, she fails to take their concerns seriously.
"Not everybody's actions are based on ideas.
In short, right action is based on known goods and bads, not a set that contains unknown goods and bads.
Myron Marlin, the Justice Department spokesman, said Ms. Reno's actions were based on the law, not on personal or political considerations.
The president said that would "end all this speculation" about "whether or not the actions were based on valid information".
The agency said its actions were based on Justice Scalia's policy that his speeches not be recorded.
Ms. Summers, prosecutors and Northwest Airlines said the flight crew's actions were based on the behavior of the men, not on their skin color.
