The phrase "a framework that was" is correct and usable in written English.
It can be used when referring to a framework that existed or was established in the past.
Example: "The researchers developed a framework that was instrumental in guiding the project towards success."
Alternatives: "a framework that existed" or "a framework that had been".
Django is a framework that was used to build Instagram.
He did a good job rebuilding the civil service and managing the economy, but he did it within a framework that was not sustainable.
Instead of setting himself up for another U-turn he could consult more widely and devise a framework that was based on the long-term economic interest of the country rather than the short-term interests of the government.
Q. Did that cause complications? A. From a lawyer's standpoint, I was pretty happy that we developed a framework that was flexible enough to go from traditional development to modular development without having to change the basic design structure.
A whole parliament was then wasted with Andrew Lansley's dismantling of a framework that was ripe for the integration of health and social care, the distortion and then shelving of the Dilnot report, and George Osborne's relentless protection of the family wealth of a privileged minority.
Second, we knew from the outset that no ethics assessment could occur without a framework that was both philosophically sound and practically implementable.
"People want to work within a framework that's supported by the industry," Mr. Barry said.
It does so within a framework that is dramatically serviceable and occasionally touched with brilliance.
The consultation would be "part of a process of re-establishing a framework that is broadly acceptable to society".
This paper put information theory on the map, establishing terminology and a framework that are still used today.
They want the government to "ensure that online platforms operate within a framework that is fair, non-abusive and respectful of media plurality".
