Sentence examples similar to had been effective until from inspiring English sources

This nuclear threat has been effective against the most egregious offenders, but until colleges approach that threshold, there is little reason for them to steer students in more remunerative directions.

They have been effective, perhaps too effective.

Neither measure has been effective.

But it has been effective.

And it has been effective.

But the agreements have been effective.

"Secondly, our rescue plan has been effective.

"It has been effective," Javie said.

The brainwashing has been effective.

He has been effective.

"Yes, it has been effective".