The surface of the lake had become ominously still.

Basically, any hard surface can become your own custom drum kit.

If the surface become wet during a race, the event is typically halted, and the cars are pulled off the track.

Practice slush turns in the morning, when the surface is beginning to loosen, but has not yet become heavy.

By blending and layering paint, the surface can become more like skin.

The surface of my world was becoming familiar; however hostile, it touched me deeply, its past and present.

Doc commits suicide after seeing what the surface has become.

However, as the surfaces became uneven and made skiing more difficult, their speeds slowed.

The snow lay deep upon the ground, but the outer surface had become so hard as, without difficulty, to bear a person of ordinary weight.

The surface of the table became transparent and gave way to a scene of stars.