A man , with his shoes off , is kneeling on a rug .
A man is on his knees on a rug
A man, with his shoes off, is kneeling on a rug.
A man is on his knees on a rug
A man must be on his knees in order to be kneeling on a rug.
A man must be on his knees in order to be kneeling on a rug .