1.   Beth was happy to mooch around for hours in her nightdress.

2.   But people in Great Groups are different from those who spend countless hours in thrall to video games or other trivial pursuits.

3.   For example, my father had grown very ill and I spent hours in the hospital with him in midtown.

4.   Having finished with his coursework that spring, he was only scheduled for thesis hours in the fall anyway.

5.   He had been there for an hour in the darkness of the abandoned Marshalling yard in the outer suburbs of East Berlin.

6.   He spends an hour in the gym every day.

7.   He spent countless hours in the gym.

8.   He spent half an hour in the restaurant, drinking coffee.

9.   Her sister spent hours in the pavilion by the carp pond, composing replies.