She put her purse on the dresser and began switching on lights.

I began switching on lights as I went through the house.

I walk briskly through each room, switching on lights, the living room-noPetra.

Marcus walked down the tunnel ahead of Hoffman, switching on lights as he went.

Sirius supposed this was because the Duffields were shouting and switching on lights in the house.

Upstairs, I walked from room to room, switching on lights with my baseball glove's damp leather thumb.

Neither Penny nor I said "Milo," but we hurried to his room, switching on lights as we went.

He traded the bat for the crowbar, locked the door, and went from room to room, switching on lights as he went.

We went inside, proceeding toward a source of illumination at the rear of the house, Robert switching on lights as we entered each room.