Exercises on present simple and frequency adverbs

Dear students,
here you have some links to some exercises on the present simple and frequency adverbs:

https://elt.oup.com/student/englishfile/beginner/a_grammar/file04/grammar04_01a?cc=us&selLanguage=en

https://elt.oup.com/student/solutions/elementary/grammar/grammar_02_012e?cc=global&selLanguage=en

https://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adverbs_of_frequency.htm

https://www.englishspanishlink.com/en/english-grammar-exercises/present-simple-frequency-adverbs.htm