1.   A president who works hard on issues like these will not see his ratings go up on weekly basis.

2.   After-care sessions initially on a weekly basis but later less frequently, are recommended for up to two years.

3.   Fairness demanded that the throne be rotated among the players, usually on a weekly basis.

4.   The class has two teachers who alternate on a weekly basis.

5.   The school might, for example, recommend that musical activity takes place on a weekly basis.

6.   We asked them if they had vomited or abused laxatives and asked them to record their weight on a weekly basis.

7.   While at the work site, students keep journals that their supervisors read and annotate on a weekly basis.

8.   The publishers planned to produce the journal on a weekly basis.