be of use to somebody

The best results may be seen after 8 to 12 weeks of use.

Community groups will be given 250 hours of free use every week.

They wouldn't be a bit of use if we were really trying to find out something.

The next thing he said though was not a lot of use to them.

In all those years, I told them nothing of use to anyone.

The first full summer season of use was in 1979.

But back then you were too young to be of use.

Not while you may still be of use to me.

He saw everything and everyone who might be of use.

They get a lot of use and play all the time.