1.   Similar lumps had been spread there before, and showed as bleached-out mounds through which a few blades of grass grew.

2.   I mean, everybody says that spending time with Sampras is about as exciting as watching the blades grow on his favorite playing surface.

3.   Then the whooping helicopter blades grew louder and louder, and he started to feel a little sick.

4.   During that portion of our training, I listened as the thumping of the chopper blades grew louder.

5.   No blade of grass grows here.