1.   Andrew and Wendy plan to work with drug addicts in Hong Kong and they will soon embark on a two-month trial period.

2.   If you accept the offer of a new job on changed terms, a trial period comes into effect automatically.

3.   The redundancy payments legislation allows employees a four-week trial period in which to make up their minds.

4.   The security system will be reviewed after a three-month trial period.

5.   These Markets should be deregulated initially for a three-year trial period, said the review.

6.   They adopted the system for a trial period.

7.   We could introduce the system for a trial period.

8.   The paired t test was used to examine changes over the trial period within each group.