American Standard Version (ASV):
And it came to pass, while he was in one of the cities, behold, a man full of leprosy: and when he saw Jesus, he fell on his face, and besought him, saying, Lord, if thou wilt, thou canst make me clean.
King James Version (KJV):
And it came to pass, when he was in a certain city, behold a man full of leprosy: who seeing Jesus fell on [his] face, and besought him, saying, Lord, if thou wilt, thou canst make me clean.