Neither side proved able to deliver a decisive blow for the next two years.

You proved able to function effectively for most of a standard year.

It has proved well able to take care of itself.

In Africa, female prostitutes have proved quite able to transmit the disease.

However, the Government has proved less able to manage disbursements.

In that arena, however, he proved more than able to look after himself.

Close proved able to create his desired effects even with the most difficult of materials to control.

Yet four years later, not a single developing country has proved able to do this.

The only country that proved willing and able to help put out the flames was Nigeria.

The huge body proved able not only to move, but to change directions, with surprising speed.