"common ground that" is grammatically correct and can be used in written English.
For example, you could use it in a sentence such as, "We'll need to meet on common ground that we can both agree on."
"This is an opportunity," he said, "to educate them about the common ground that exists".
Let's challenge ourselves to find the common ground that has eluded us.
Might they not discover common ground that should have been cultivated anyway?
Olympic Park to the east provides common ground that enhances both the complex and the community.
That's because human communicators share a conceptual space or common ground that enables them to quickly interpret a situation.
"It's that comfortable, common ground that produces an easy conversation and connection with each other,'' Bol said.
A comprehensive national energy policy would create pressure to look for common ground that allows the players to support one another's programs.
It's on those issues where people of principle can disagree without being disagreeable and find a common ground that allows the country to move forward.
We can build on the extraordinary common ground that's been forged".
Perhaps the warden at Sing Sing has found the common ground that's the real road to rehabilitation — an understanding of the philosophical roots of civilization.
"You've chosen to live your life with somebody, and when two people can learn to find common ground, that's a good thing.
