1.   As he turned, his foot slipped off the joist.

2.   Her foot slipped on the smooth tiles but Mitch moved like lightning and caught her before she fell.

3.   Her foot slipped suddenly through the net.

4.   Her foot then slipped through easily.

5.   His foot slipped and he grasped at a piece of jutting tile and dragged himself back to safety.

6.   His foot slipped and he grasped at the top of the wall.

7.   His foot slipped into the space between the wall and the scaffolding, and he tumbled forward on to the wall.

8.   His foot slipped on the wet grass and he fell.

9.   The unwary movement caused her foot to slip on the footpath made muddy by the overnight rain.

10.   While making a final check in the loft, his feet had slipped on the wet glassy joists.