Sentence examples for has been known before from inspiring English sources

Much of the contents of the report, prepared by the commission's staff, has been known before.

Analysis of N2O levels in the Cape Grim air samples revealed a seasonal cycle, which has been known before.

This has been known before, "the temperature over the last 12 months"?

Nothing like it had been known before.

"If this had been known before, then this definitely would not have been the choice," Mr. Colom said.

Altogether, our methods have identified nine novel RNA molecules, doubling the size of PCV-1 transcriptome that had been known before.

Artifacts from the period and his systematic interpretation helped establish the realities of the Shang period, of which little had been known before the 1930's.

But, the paragraph in question follows a discussion about what should have been known before the signing of the Merger Agreement, so I consider the issue as if the matters in 24 were discussed before signing.

They identified eight distinct versions of P. reichenowi (only one had been known before) and found that the DNA of P. falciparum sat nicely in the middle of all this genetic variation.

Astronomers reported Tuesday that there were at least five planets circling a star there known as 55 Cancri, where only four had been known before, making it the most extensive planetary system yet found outside our own.

Astronomers reported yesterday that there were at least five planets circling a star there known as 55 Cancri, where only four had been known before, making it the most extensive planetary system yet found outside our own.