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