The phrase "execute his plan" is correct and can be used in written English.
For example, "John knew that he had to execute his plan if he wanted to succeed."
I grabbed his arm before he could execute his plan.
"He doesn't have a mechanism in place to execute his plan.
This time, Woodson was in Houston, ready to execute his plan with Olajuwon.
He told the Council that he needed 925 officers to execute his plan.
Still, Mr. Thompson does not have an endless amount of time to execute his plan.
As confidence in Lehman's survival ebbed, Mr. Fuld redoubled efforts to execute his plan to sell parts of the firm.
To execute his plans, he said, he would need an operating budget of at least $60 million.
But analysts said he let the company's brands stagnate and struggled to execute his plans.
He said he regretted that he didn't execute his plans to overhaul Medicare and Social Security.
No one has ever accused Mr Renzi of lacking style or energy; the question has been whether he could execute his plans.
He added, "Moussavi is popular and will be able to execute his plans, and I prefer he stays in the race".
