Sentence examples for has usually proven from inspiring English sources
But the image war has usually proven more oppressively obvious than that, its transparency confirmed by its detection by television comedians.
The measurement of total porosity by the gas injection porosimetry (GIP) method in these low permeability rocks with complex mineralogy has usually proven to be challenging.
Unless it is a comedy of "Bridesmaids" calibre her audience has usually proven to be older and mostly women.
The logic of his forecast is clear, though, and it has usually proved reasonably accurate.
The chancellor has usually proved more accurate than critics who have often predicted decline - or even recession - since 1997.
"Although globalization is universally acknowledged as one of the most pressing issues of our time, it has usually proved a poor subject for fiction," the writer Siddhartha Deb observes.
Oil price prediction has usually proved to be an intractable task due to the intrinsic complexity of oil market mechanism.
But even if Norman has the team and the home-course advantage to solve plenty of conundrums, the inconvenient truth is that the golfing prizes that Norman has coveted most have usually proved the most elusive.
It is often thought that Les Guignols can make or break elections, and it has usually been proved correct at predicting them.
