NET
19 But since they found no way to carry him in because of the crowd, they went up on the roof and let him down on the stretcher through the roof tiles right in front of Jesus.
Darby
19 And not finding what way to bring him in, on account of the crowd, going up on the housetop they let him down through the tiles, with his little couch, into the midst before Jesus.
KJV
19 And when they could not find by what [way] they might bring him in because of the multitude, they went upon the housetop, and let him down through the tiling with [his] couch into the midst before Jesus.