Repaso para el examen de inglés

http://www.agendaweb.org/verbs/present_simple-exercises.html

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

http://www.myenglishpages.com/site_php_files/grammar-exercise-adverbs-frequency.php

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

A estudiar!!!!!!!