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