Type of 1 Conditional - unless+present tense With - if 1. If you don't study dilligently, you'll never understand trigonometry. 2. You will be sick if you don't stop eating. 3. I won't pay if you don't provide the goods immediately. Equivalent with unless 1. Unless you study dilligently, you'll never understand trigonometry. 2. You'll be sick unless you stop eating. 3. I won't pay unless you provide the goods immediately. Type 2 conditional: unless + past tense 1. If he wasn't very ill, he would be at work. 2. I wouldn't eat that food if I wasn't really hungry. 3. She would be here by now if she wasn't stuck in traffic. Equivalent with unless 1. Unless he was very ill, he would be at work. 2. I wouldn't eat that food unless I was really hungry. 3. She would be here by now unless she was stuck in traffic. Type 3 conditional: unless + past perfect With - if 1. They would have shot her if she hadn't given them the
