Online exercises for 8/13/19 https://www.myenglishpages.com/site_php_files/grammar-exercise-possessive-adjectives.php https://www.englisch-hilfen.de/en/exercises/nouns_articles/apostrophe_s2.htm https://agendaweb.org/grammar/possessive-exercises.html https://agendaweb.org/grammar/prepositions-exercises.html
Online Exercises https://agendaweb.org/verbs/to-be-exercises.html https://www.englisch-hilfen.de/en/exercises/tenses/be.htm