• Unless you study = If you don't study
• Unless she comes = If she doesn't come
• Unless they hurry = If they don't hurry
Formula
Unless + present simple, will + verb
Examples
With "if not":
• If you don't study, you will fail.
• If she doesn't come, I will be sad.
• If they don't hurry, they will miss the bus.
With "unless":
• Unless you study, you will fail.
• Unless she comes, I will be sad.
• Unless they hurry, they will miss the bus.
⚠️ Important!
Never use "unless" with a negative verb!
❌ Unless you don't study, you will fail.
✅ Unless you study, you will fail.
📌 More Examples
• Unless you apologize, she won't forgive you.
• Unless we leave now, we will be late.
• Unless she practices, she won't improve.
• Unless it rains, we will go to the beach.
• Unless you help me, I won't finish on time.