I looked down at my feet and saw that they were dirty.

She put them on, looked down at her feet and cried.

She tried to look down at her feet, and could only just see them.

She stopped in front of him and looked down at his feet.

He looked down at his feet, then back up again.

He looked down at his feet for a long time, and none of us said anything.

He looked down at his feet to make sure, and yes, they were completely still.

Lisa stood in the open door, looking down at her feet.

A few minutes later, he cut the line, paused, looking down at his feet.

He stopped, looked down at his feet, then walked quickly after her.