when we use the simple present tense?

- Tenses -

The using of simple present tense
1. To express the daily habits/habitual action (kebiasaan sehari-hari)
2. To express a simple statement (dapat berlaku kapan saja)
3. To express a plan or schedule (plan dan schedule dalam waktu dekat)

Hope it will helps you
-vin

we use the simple present tense when an action is happening right now, or when it happens regularly (or unceassingly, which is why it's sometimes called present indefinite)