The first act takes place over a period of about two weeks.

The election took place over a period of almost two months.

This step takes place over a long period of time.

The play takes place over a period of six weeks.

But that has to take place over a period of time.

The action takes place over a period of 24 hours.

The major changes in production system design took place quickly, over a period of less than two years.

Construction took place over a period of six years, from 1889 to 1895.

The story takes place over a period of 33 days.

The group games took place over a period of three days.