How was the distinction between "clock time" and "stop time" achieved in early opera?

The distinction between "clock time" and "stop time" achieved in early opera is the following: Stop time is when the action and time is frozen, detached from the story; Clock time is along with the drama and moves with the story.

False, a woodchuck can’t chuck if a wood chuck could chuck wood it would chuck the same amount as a woodchuck.