Here and there the river had changed course to undermine the road.

I forgot to tell you that the river changes its direction every little while.

By the late 18th century, the river had changed its course to the south.

The river did change course by itself on April 26, 1876.

In the days that followed, the great river changed her course and direction often.

The river has changed its course several times in recorded history.

The river is now changing its function in the novel.

He felt a great river change its bed in the sky.

Only a few hours, surely, and already the river had changed.

The river changed course quickly, so the state boundary did not change.