Sentence examples similar to both have been learned from inspiring English sources

It is unfortunate that the deconstruction of the Lehman collapse has distracted attention from more important lessons that should have been learned, both earlier in 2008 and, astonishingly, a decade earlier.

What will have been learned?

Some lessons have been learned.

Lessons appear to have been learned.

It implies that lessons have been learned.

"Lessons have been learned," pledges Mr Balogh.

What lessons have been learned?

"I think a lot of things have been learned, a lot of lessons have been learned".

Earle insists that lessons have been learned.

No doubt lessons have been learned".

Defence sources insist lessons have been learned.