1.   According to your medical records, you had an operation five years ago.

2.   Having an operation can be a traumatic experience for a child.

3.   Having an operation naturally entails feelings of anxiety.

4.   I had an operation on my knee last year.

5.   I heard she had an operation to shorten her nose.

6.   I remember his refusal of anesthesia when he had an operation on his leg and again a seri-ous abscess on his jaw.

7.   If all else fails, you may be advised to have an operation.

8.   It was when he had an operation to remove his gallstones.

9.   PacTel already has sizable operations in San Ramon, and it just agreed to base its long-distance company in Pleasanton.