Sentence examples for been studied from inspiring English sources

Mesoamerican dances have not been studied thoroughly.

"It has not been studied," he added.

And this has been studied.

The issue has been studied to death.

Questions like these have indeed been studied.

"It has been studied and restudied".

It has also been studied the least.

However, its mechanism had never been studied.

Have certainty and influence been studied much?

Cr, has been studied.

have been studied.