simple and past progressive

https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_progressive2.htm

https://www.ego4u.com/en/cram-up/grammar/simpas-paspro/exercises

https://www.englishwsheets.com/m.past-continuous.html

listening s and p

https://www.ejerciciosinglesonline.com/exercises-and-theory/listening/listening-a-present-simple-vs-continuous/

http://soundgrammar.com/learn/L3-CEFR-A2/L3-03-present-continuous.htm

simple and progressive present

http://esl.fis.edu/vocab/q21/doing2_r.htm

https://agendaweb.org/verbs/present-continuous-tense.html

https://www.englisch-hilfen.de/en/exercises/tenses/present_progressive_statements_contracted2.htm

http://esl.fis.edu/vocab/q21/doing1_r.htm

https://www.english-4u.de/en/tenses-exercises/present-simple-progressive4.htm

http://www.focus.olsztyn.pl/en-present-simple-and-present-continuous-tests.html#.Xl1ilrcUl0o