1.   And it was surprising how frequently they found it necessary to motor down to Edmonton or Calgary.

2.   I do not find it necessary to reach any conclusion on the question whether a local authority can be guilty of corruption.

3.   Mary found it necessary to supplement her earnings by writing articles for magazines.

4.   Unfortunately, however, I found it necessary to resign from the board of Junior Tennis Centres.

5.   It has been found necessary to make some cuts in the text.

6.   Why did all the systems find it necessary to use a working memory?

7.   It is, however, still found necessary to investigate each flow of interest separately.

8.   Indeed the great legal code of King Hammurabi found it necessary to include a few consumer protection laws governing the sale of alcoholic beverages.

9.   Formal extraordinary procedures for its amendment have not been found necessary.

10.   As for the former chairman himself the greatest pity of all is that he found it necessary to go without finding a successor for himself.