If you click on the link behind you'll be taken to the webpage where the picture was taken, please go and read the three grammar notes at the bottom:
then, do the following activities:
Activity 1: http://www.perfect-english-grammar.com/zero-conditional-exercise-1.html
Activity 2: http://www.perfect-english-grammar.com/first-conditional-exercise-1.html
Activity 3: http://www.perfect-english-grammar.com/second-conditional-exercise-1.html