We sawseveralhouses whose roofs are fallingoff. (=The roofs are fallingoffseveralhouses we saw.)
On the way to my office I imaginedCynthia as a chrysalis, my imposedburden of studenthood, fallingoff me, drifting into the night.
You could lose your job if youkeepfallingbehind with your work.
用于句首
Falling on the roof of the caravan, the hailstonespercussednoisily.
用于句尾
If Daklan had drawn the sword from his flesh then there would be moreblood than he could have stanched, but Daklan was nowstumblingaway, loose-handed, then falling.