Sentence examples for already proved from inspiring English sources

Vietnam has already proved a drag.

The Finns have already proved this projection.

Others have already proved their staying power.

The upheaval has already proved costly.

The area has already proved perilous.

The door policy has already proved problematic.

But it has already proved controversial.

The film has already proved controversial.

"I already proved it to myself.

The technique has already proved indispensable to researchers.

The time integration methods have already proved their effectiveness.