The experience with other counsels shows that their investigations drag on for years.

The investigation drags on for weeks.

That the investigation has dragged on so long anyway is another indication of the expanded reach of the prosecutorial web.

That investigation dragged on for six years.

Leak investigations often drag on endlessly and rarely culminate in indictments.

More than a month later, with the investigation still dragging on, it's still news.

The investigation had dragged on for nearly eighteen months, petering out to nothing in the end.

It's true, and troubling, that Mr. Walsh's investigation has dragged on for more than five years and consumed more than $30 million.

As it turned out, the investigation dragged through the entire 1988-89 season.

An investigation of German companies that helped built chemical weapons plants in Iraq is still dragging on, and other inquiries have been dropped for lack of evidence.