He could see the boy's mouth move, hear him talking to the skies.

"Up at that end they're only seeing your mouth move."

I saw her mouth move with the shadow of a smile.

She said nothing aloud, but I saw her mouth move.

He sees its mouth move, but the sound seems to come from within his own head.

Strange saw the man's mouth move but he heard not a sound.

Kagak didn't seem to be able to make his mouth move.

She could see his mouth move as he cried, but there was no sound.

Sophie saw its purple mouth move as the words came.

I saw his mouth move, but I didn't hear the rest of what he said.