Many of us put on our seat belts while the car is in motion.
While the car is moving, quite a few of us affix our seat belts.
While the car is parked, everyone puts their drinks in the cupholders.
a man on sidewalk
The people are standing.
the skiier is goes uphill
Someone is surfing.
A group of people camping in the woods.
Applied had not tried to make a time machine yet.