Sentence examples for has it not been from inspiring English sources

Why has it not been shown publicly in several decades?

Why has it not been tried in the past?

Why has it not been conducted by one member one vote?

Why has it not been possible so far to persuade Iran to abandon or suspend the enrichment program?

Not only has it not been proved, it has been disproved, and we need to get on with that drilling".

Not only has it not been hot, but some evenings have been autumnlike, with temperature in the 60's.

It has not been.

It has not been completed".

It has not been pleasant.

It has not been melodious.

It has not been transparent".