51.   She said the security measures being put into effect in San Francisco and Los Angeles have been used before.

52.   She had used it before, she said at the inquest.

53.   Shrimp forks will be used before salad forks, which are used before dinner forks, and a butter knife will be used before a dinner knife.

54.   Shifting is also used before writing a punctuation mark.

55.   Sometimes, the addition of a new kitten to a household of older cats takes some getting used to before the hissing stops.

56.   Start using it before allergy season and continue until exposure to the offending allergens has ended.

57.   That line of credit would be used before the GAB.

58.   The approach has never been used before to decontaminate a building, and some senators are anxious.

59.   The ATM is conveniently located between the elevators and the mailboxes, and Castroman said she often used it before heading to the subway.

60.   The area has been used before for hostage episodes.