Comparative and Superlative

https://elt.oup.com/student/solutions/preint/grammar/grammar_04_012e?cc=co&selLanguage=en

https://www.myenglishpages.com/site_php_files/grammar-exercise-grammar-comparatives-superlatives.php

http://www.esl-lounge.com/student/grammar/4g2-the-the-comparatives.php

Conditionals

https://www.ego4u.com/en/cram-up/tests/conditional-sentences-3

https://www.englisch-hilfen.de/en/exercises_list/if.htm

Listening activity

https://www.lyricsgaps.com/exercises/filter/language/en/English