No one heard him, though they saw his mouth form the words.
My mouth forms the word but there is no sound.
His mouth formed the words, but she could not read them.
He turned toward Julie and tried to speak, but his mouth couldn't form the words.
He wanted to speak but his shattered mouth could not form words.
Cindy tried to speak, but her mouth couldn't form words.
His mouth had formed a line so straight that it looked as if he might never smile again.
She hurried on before Turner's open mouth could form a word.
He liked watching her mouth form the words, not knowing in advance what she was going to say.
He thought the plaintive word but could not make his mouth actually form it.