Zero conditional
if + present → present · always true, every time
Use it when: always true, every time (if + present simple, present simple).
From the song
- If I drink coffee after dinner, I can't sleep, it's true,
- If I go shopping hungry, I buy everything I see,
- If you don't pay your rent, the landlord sends a letter,
- If I work on a Sunday, I earn twice as much,
