1. Always: This means something happens 100% of the time.
* Example: He always brushes his teeth before bed.
2. Often: This means something happens frequently, but not all the time.
* Example: We often go for walks in the park on weekends.
3. Sometimes: This means something happens occasionally, not regularly.
* Example: She sometimes forgets to bring her lunch to school.
4. Rarely: This means something happens very infrequently.
* Example: My parents rarely argue.
5. Never: This means something has never happened and will never happen.
* Example: I have never been to Europe.