Of course, maybe they came back with more the second time, but it still looks as if the main force hasn't arrived.

It may be some time before our forces arrive on the scene.

Also new forces arriving from across the sea will be able to land.

When the force arrived, the wanted persons were already there.

By the time this force arrived, the city had fallen.

When the American forces arrived, they described the town as a ghost city.

British forces arrived only an hour after the riot started.

Two months later a powerful British force arrived to confront them.

The perpetrator then finally took his own life before the forces of law and order arrived on the scene.

Asked when American forces would arrive, he declined to give details.