Sentence examples for been known to exist from inspiring English sources

Tregs have long been known to exist.

The gender gap has long been known to exist on Jeopardy!

The fault had been known to exist, but no one had understood what it meant.

But for over 50 years, no print had been known to exist.

This year, they made a crucial discovery: a previously untested vaginal swab, which had not been known to exist.

Because only 27 drawings by Lucas had been known to exist, the discovery and purchase are particularly significant.

No known existing copies, complete or partial, are known to exist.

No footage is known to exist.

Only three copies are known to exist.

No complete collection is known to exist.

No copies are known to exist.