1.   A senior clerk should clear the machines and then reset them to zero at various times during the day.

2.   A testator can revoke his will at any time during his life.

3.   A variety of news items were selected at different times during the three years of the survey.

4.   At some time during the weekend someone broke into the building.

5.   For the first time during the entire voyage, he failed to respond instantly to a request.

6.   In Britain, the opposition party is guaranteed control of a specified amount of time during legislative sessions.

7.   Many of the famous liners of this century have visited Madeira at some time during their voyages.

8.   Numbers of Hurricanes were scrambled at various times during the mid-morning.