Read it through once

“I am sure you do. Now, Jane, trip on before us away to the backstairs; unbolt the side-passage door, and tell the driver of the post-chaise you will see in the yard—or just outside, for I told him not to drive his rattling wheels over the pavement—to be ready; we are coming: and, Jane, if any one is about, come to the foot of the stairs and hem.”