The aim of this lecture is to present on Troublesome Words: Lie and Lay. People lie on beds. Dogs lie on people. Fleas lie on dogs. The people, the dogs, and the fleas are very still. Lie is a still verb. A person picks up a dog and lays it on a blanket. A pair of tweezers picks a flea off a dog and lays it outside. A hen lays an egg. The person, the tweezers, and the hen are very active. Lay is an active verb. It implies that somebody is setting or placing something somewhere. Example: Today I lie in bed; Yesterday I lay in bed and Many times I have lain in bed.