How to Use "congregate" with Example Sentences

1. Sometimes sex offenders are barred from living near places where children congregate .
2. Does this mean that we suffer confusion about people 's gender as soon as they congregate in groups ?
3. People congregate outside the stores .
4. They are more likely to congregate in and create active , dynamic cities .
5. Dramatic die-offs are most common in animals that congregate or travel in large groups .