ENGLISH

COMPARATIVES – SUPERLATIVES

https://agendaweb.org/grammar/comparison-superlative-exercises.html 

PRONOUNS

https://agendaweb.org/grammar/personal-pronouns-exercises.html 

FREQUENCY ADVERBS

https://learnenglishteens.britishcouncil.org/grammar/beginner-grammar/adverbs-frequency 

https://agendaweb.org/grammar/adverbs-exercises.html

PAST TIME

https://agendaweb.org/verbs/past_simple-exercises.html
https://www.myenglishpages.com/site_php_files/grammar-exercise-simple-past.php