Hi everyone:

Print these exercises to practice with them in class...

http://www.englisch-hilfen.de/en/exercises/confusing_words/some_any.htm

http://www.englisch-hilfen.de/en/exercises/confusing_words/much_many.htm

http://www.ego4u.com/en/cram-up/grammar/past-progressive/exercises

http://www.englisch-hilfen.de/en/exercises/questions/past_progressive2.htm