Come si forma il first conditional?

If+pres simple, will + infinitive. If I study hard, I will pass the exam. Al posto di if puoi usare When-- per cose che accadono 1 volta sola when I die, I will leave my money to a charity Unless= if not Unless I study hard, I will not pass the exam. If I don' t study hard, I will not pass the exam. ( stessa cosa.)