The men became ill over a period of 10 weeks.

The tests appear to have become more difficult over time, particularly from 2008 to 2009.

Some of the species become over one hundred feet long.

Though legal name changes have become more common in some of these countries over the last years.

That was what his whole life had become, over the last few weeks.

We've become rather good friends over the last few months.

He could take care of any trouble should the man become over ambitious.

The case has become stronger over time, he says; it shouldn't be a party political issue.

His play, however, has become better over the last two weeks.

There he became party to a conflict over Christian schools.