Sentence examples for have always proved from inspiring English sources

It is the latter that have always proved problematic for Britain.

It comes round so frequently because the answers given on the previous occasions have always proved unsatisfactory.

Conditions of poverty and oppression have always proved fertile ground for religious maniacs and this time was no different.

Parking lots have always proved problematic for suburban office campuses, though Bassett came up with one of the best solutions, for Weyerhaeuser.

Journalists have always proved it is possible to work within the disciplines of limited space, as in the writing of third leaders.

For successful education reform, our challenge will be how to measure standards of achievement, on the part of students and teachers, without killing the love of learning, creative thinking and innovation that have always proved America's strong suit.

Regardless, like drug testing in sports, campaign-finance reform efforts have always proven to be one step behind, unable to keep up with the campaigns' (and outside groups') innovative new methods of raising and using funds.

But existing power plants, including the nation's roughly 600 coal-fired plants, have always proven the most politically difficult to regulate.

The specific diets that many animals can easily obtain in the wild by themselves have always proven to be a problem for zookeepers.

Disease-specific instruments have always proven to be superior to the general QOL instruments, if the disease burden was lower than the threshold measured with the general instruments [ 17].

However, whilst Drosophila have always proven to be an excellent model for dissecting out signalling pathways and providing mechanistic insights into protein function, they do not necessarily provide the optimum model for therapeautic research.