Forms 8a, 8c. Conditionals

For practicing conditionals:
https://www.grammarbank.com/zero-conditional-exercise.html;
https://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_statements.htm;
https://www.englisch-hilfen.de/en/exercises/if_clauses/type_2_statements.htm;
https://www.englisch-hilfen.de/en/exercises/if_clauses/type_3_statements.htm;
https://www.englisch-hilfen.de/en/exercises/if_clauses/mix3.htm;
https://www.ego4u.com/en/cram-up/tests/conditional-sentences-3;
For practicing wish/if sentences:
https://www.perfect-english-grammar.com/wish-exercise-1.html;
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-5529.php;
http://usefulenglish.ru/grammar/subjunctive-mood-exercise-three;
https://www.esl-lounge.com/student/grammar/4g7-wishes-and-regrets.php;
https://www.test-english.com/grammar-points/b1-b2/wishes-regrets/.