Sentence examples for not happened before from inspiring English sources

In particular, Dr Belcher asked herself, could creatures build semiconductors like those used in electronic circuits?The idea might seem far fetched, but Dr Belcher thought that the reason it had not happened before could be that nature had never been given the opportunity to try.

"That's just not happened before.

That, Ryan said, had not happened before.

This had not happened before, he said.

Why this has not happened before is a mystery.

"In my recollection this has not happened before".

Something is happening that was not happening before," Jonathan Greenblatt, the national director of the Anti-Defamation League, said.

But if that were the case, why did it not happen before?

Something is happening that was not happening before," ADL national director Jonathan Greenblatt told The New Yorker.

Something is happening that was not happening before," ADL national director Jonathan Greenblatt told The New Yorker.

"This hasn't happened before," said the three-time major champion.