1. We use the **present simple** for something that happens regularly, always or never.
2. We use the **present continuous** for something happening at this moment.
3. We use the **present continuous** for something happening around this time.
4. We use the **present simple** for a fact that is always true.
5. We use the **present simple** with certain verbs that we don't usually use in continuous tenses, e.g., believe, know, etc.