In the familiar environment the old way of life proved fatally easy.

He could think of but one way to prove his identity.

The way you prove that is for you to do it.

I cannot tell you how fruitful this new way of life proved to be.

The night passed and the sun rose on a day which one way or another must prove to be fateful.

Still, the way in which he won the title proved an embarrassment.

I'm sick to death of having to find ways to prove that I love you.

Either way there was one proved method to find out.

The way back to the camp proved much longer than I remembered.

We had a couple of guys prove it the hard way.