So when He said to them, "I am [He]," they drew back and fell to the ground.
As soon then as he had said unto them, I am he, they went backward, and fell to the ground.
When Jesus said to them, I am He, they went backwards (drew back, lurched backward) and fell to the ground.
When therefore he said unto them, I am he, they went backward, and fell to the ground.
When he said, “I Am,” they shrank back and fell to the ground.
Then, when he said to them, "I am he," they moved back and fell to the ground.