Veronica, rules

For habits

• present simple

• present continuous

For repeated actions or events

• present simple

• present continuous

For general truths

• present simple

• present continuous

For instructions or directions

• present simple

• present continuous

For fixed arrangements

• present simple

• present continuous

Schedule

• present simple

• present continuous

With future constructions

• present simple

• present continuous

things that are happening at the moment of speaking.

• present simple

• present continuous

temporary situations, even if the action isn't happening at this moment.

• present simple

• present continuous

new habits, often use this with expressions like 'these days' or 'at the moment'.

• present simple

• present continuous