"purpose to do" is a correct and usable phrase in written English and can be used to refer to an intended goal or action.
Example: She had the purpose to do her best in the upcoming competition.
If they don't act unilaterally, then we won't have any purpose to do so either".
He said: "I am bringing the cabinet to Derby today with one purpose – to do everything we can to help businesses in the region create the jobs and growth on which the future of our economy depends".
They don't have to go away from their purpose to do that".
"I didn't do it only for the purpose to do something new, but simply because I think it will be irresistible".
Small online stores with a specific purpose to do good.
Turn back, unless you're really burning up with passion, desire, and a purpose to do this, you know?
Tons and tonnes are close enough for most purposes to do without conversion; use tonnes (except in shipping tonnage).
It suits our purposes to do so, and one of those purposes may be as flimsy as the desire to be excused from reading the books in question before telling the world what we think of them.
The starting point is to ensure the foundation of any capitalist economy – the company – works as it should, and that legally, constitutionally and culturally, companies are purposed to do what they can do so well.
Do what you are purposed to do and God will send the student, the audience, the outlet.
Then Aristides came before the people and said of the deed which Themistocles purposed to do, that none other could be more advantageous, and none more unjust.
