There was a breathless hush, and every eye was fixed on the famous London specialist, who was known to be one of the greatest authorities of the day on the subject of toxicology. 
Everyone stared intently at the specialist of toxicology.
Everyone didn't pay attention to the specialist and could care less about him.
A canine is playing.
Two kids are doing math.
Two teams are playing softball in a small gym that has no spectators at all.
A single man and his motorcycle float down the stream.
She was a Russian girl.
The lady is walking smoking a cigarette.