Relier Pairs Zero conditionalVersion en ligne The zero conditional usage par Sandra Dias 1 Fish die if 2 My boss gets angry, 3 If you want to come, 4 If you prefer, 5 If you don't pay attention, 6 Does ice melt 7 If you touch the motorcycle, 8 If you heat water to 100 degrees Celsius, 9 If you press the button, 10 If you heat water, I can take a cab. if you heat it? they stay out of water. the machine starts to work. you cut yourself with a knife. it boils. call me before 5:00 p.m. the alarm goes off. if I am late for work. it evaporates.