Write sentences using the zero conditional. 1. not have breakfast / feel hungry 2. mix red and blue / get purple 3. read for a long time / get a headache 4. multiply 20 by 5 / get 100 5. put ice in a drink / make it cold 6. add 64 and 36 / get 100

 1. If you do not have breakfast, you feel hungry. 
 2. If you mix red and blue, you get purple.
 3. If you read for a long time, you get a headache.
 4. If you multiply 20 by 5, you get 100.
 5. If you put ice in a drink, you make it cold.
 6. If you add 64 and 36, you get 100.