NET
6 When Jesus saw him lying there and when he realized that the man had been disabled a long time already, he said to him, “Do you want to become well?”
Darby
6 Jesus seeing this [man] lying [there], and knowing that he was [in that state] now a great length of time, says to him, Wouldest thou become well?
KJV
6 When Jesus saw him lie, and knew that he had been now a long time [in that case], he saith unto him, “Wilt thou be made whole?”