If he was performing an act of justice, how could it be a crime?

All I did was to perform a common act of courtesy.

I do not know of one single noble act ever performed by him.

It is an act performed in show skiing, and on its own.

I think you may perform a conscious act even to appear human.

He is a man who has so far as we can discover never performed a criminal act in his life.

"Xavier was a great man who performed a necessary act."

A ceremony is an act performed on a special occasion.

And they performed that disturbing act once more last night at the Stadium.

Two boys, 8 and 9, forced the younger boy, 7, to perform a sexual act in the back of the van, the police said.