A quick movement on his part, and his assailant fell with a crash. 
After he moved swiftly, the assailant fell down.
The assailant stood up after he made a slow movement.
The child is walking.
David Lynch kept smoking Marlboro cigarettes on set.
A lady is putting on nail polish.
A biker is riding a chairlift.
A man and woman wear jeans while they dance in the sidewalk.
There is a man in a green shirt.