1.   His new car knocked him back several thousand dollars.

2.   A car knocked him over.

3.   Before she left New Hampshire, a car knocked the side mirror of her car loose, leaving it dangling by a single wire.

4.   The car knocks over prosecutors along the way.

5.   Another car knocked him into a railing.

6.   The car knocked down a sign, hit a tree and rolled.

7.   Police said the two men were wanted in connection with an incident in which a car had knocked down a Spanish policeman and injured him.