4.2 Perfect Aspect

They (a)   (work) from home for several years before the charity got a proper office.

By 2025, he (a)   (spend) twenty years in prison.

By the time she retires next year, she (a)   (work) as a police officer for thirty years.

She (a)   (wait) for her appeal to go to court for over a year.

He (a)   (be) in prison for six years before evidence was found that proved his innocence.

The press photographers (a)   (stand) outside the court since the trial started.

By the end of the year, they hope they (a)   (raise) enough money for a new computer.

Looking at the crowds in the public gallery, the case would seem (a)   (to interest) the public.

By 2020, they (a)   (visit) their sister in prison for ten years.

He appears (a)   (find) a flat to share.