Mark had never seen the old man behave in such a way before.

Men begin to behave in strange ways when they've been under fire a long while, as we all know.

We behave in certain ways because the results are useful to us.

Am I going to behave in a way that other people feel is appropriate?

Since June, the economy has behaved in a way that few if any would have expected.

You've behaved in a way that will cause a lot of trouble.

Despite often behaving in ways that made people wonder, he wanted to keep his job.

Behaves in sexual ways even though he or she has been asked to stop.

"People who do this tend to behave in similar ways."

Make the decision to behave in a way that makes you proud of yourself.