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