First Conditional

EXERCISES on FIRST CONDITIONAL:

Exercise 1 https://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_statements.htm
Exercise 2 https://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_negation.htm
Exercise 3 https://www.perfect-english-grammar.com/first-conditional-exercise-1.html

REVISE ZERO CONDITIONAL:
https://www.perfect-english-grammar.com/zero-conditional-exercise-1.html