I seemed even to hear his steps on the stairs.

They heard feet on the front stairs, and knew it was their grandfather.

A little later, Anne heard somebody on the stairs, but she didn't look up.

She must have heard his feet on the stairs by now.

A moment later the boys heard him on the stairs that led up to the first floor, where he had his office.

He heard her light step on the stairs, and then she came out onto the roof.

At this point the old woman heard steps on the stairs.

It was past noon when at last she heard a step on the stairs.

She heard her mother's feet on the stairs and smiled.

I heard his feet on the stairs and then the sound of a door closing.