Sentence examples for not been useful from inspiring English sources

Up to that point, he had not been useful, but that could have changed.

Mouse models have not been useful because of a lack of significant response to oxidative challenge.

If no, please explain why you think these experiments have not been useful in your understanding of phenomena in the atmopsheric sciences.

And thank goodness for that, French observers told pollsters; 52percentt of the public were of the opinion that the trial had not been "useful".

However, the VCA has not been useful due to inaccuracies in predicting the energy distribution and estimating the vibration transmission through structural joints.

Even attempts at treatment simplification have not been useful.

Sleeping pills, Dr. Bai explained, would not be useful.

Otherwise they will not be useful for comparative purposes.

Consolidation may not be useful in developing nations.

We do not agree that, properly treated, our magazine could not be useful as a mulch.

Merely asking the nominee whether he could do the job would not be useful.