F9 Life vision Introduction lessons

 articles

https://www.englisch-hilfen.de/en/exercises/nouns_articles/a_the.htm 

https://www.englisch-hilfen.de/en/exercises/nouns_articles/a_the_2.htm 

https://englishpracticetest.net/b1-english-grammar-test-articles-multiple-choice-questions/ 

quantifiers

https://test-english.com/grammar-points/b1/much-many-lot-little-no/ 

https://www.english-grammar.at/online_exercises/quantifiers/qf014-quanitifiers.htm

Conditionals

https://agendaweb.org/exercises/verbs/conditional/first-second.htm 

https://wordwall.net/resource/67622233/conditionals-0-1-2

https://www.ego4u.com/en/cram-up/tests/conditional-sentences-2 

Comparatives and superlatives

https://test-english.com/grammar-points/b1/comparative-superlative-adjectives-adverbs/ 

https://agendaweb.org/exercises/grammar/comparison/comparative-superlative-test.htm