Sentence examples for this has certainly been from inspiring English sources

This has certainly been happening.

This has certainly been true of Mr. Obama.

This has certainly been true of 2666.

This has certainly been the year of Uncle Vanya.

This has certainly been my experience of our local treatment centre run by Care UK.

This has certainly been shown to be the case with recycling.

But within days, said Miller, "the initial momentum or whatever optimism and enthusiasm there was for this" plan, for "putting this together, has certainly been dented and stalled".

This form has certainly been done before.

This American has certainly been converted.

This judgment has certainly been an epoch-making event.

"This situation has certainly been one we'd both like to have been better".