I could no longer have turned on the light if I'd wanted to.

I put out a hand to turn on the light.

At last, she went up to the study and turned on the light.

He had come into the living room and turned on the light.

He walked to the little private room and turned on the light.

At last he found it and turned on the light.

After a moment he reached inside and turned on the light.

He closed the door behind them, turned on the light.

She went into the kitchen and turned on the light.

He closed the door behind him and turned on the light.