E.g: Hurry up or you will be late (if)
---> if you don't hurry up, you will be late.
1. i am not tall enough to reach the top shelf (if)
2. i have a security card so i can use the elevator here (unless)
3. Getting up early makes me feel hungry. (if)
4. You should not buy this phone because you don't really like it (unless)
5. Primary students don't have to go to school at the temperature below 10 degrees Celcius. (If)
If I were tall enough, I could reach the top shelf
Unless I had a security card, I couldn't use the elevator here
If I get up early, I will feel hungry
Unless you really like this phone, you should not buy it
If the temperature is below 10 degrees Celcius, primary students won't have to go to school
