Fall into

The cat might fall into the pool if you're not careful.

I hope to see her whenever I next fall into the area.

After it closed, the old mall fell into disrepair.

Our senator fell into disrepute because of the banking scandal.

Since her husband died, the patient has fallen into a deep depression.

Most of us didn't plan to be designers; we just fell into the job.

Trees fall into two main categories: deciduous and evergreen.