PRESENT PROGRESSIVE AND PAST PROGRESSIVE

PRESENT PROGRESSIVE OR PRESENT CONTINUOUS

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

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

http://www.isabelperez.com/happy/tenses/present_cont.ht

https://agendaweb.org/exercises/verbs/present-continuous-progressive/forms

https://agendaweb.org/exercises/verbs/present-progressive.htm

https://agendaweb.org/exercises/verbs/present-continuous-progressive/negative-forms

https://agendaweb.org/exercises/verbs/present-continuous-progressive/positive-negative-questions-write

https://agendaweb.org/exercises/verbs/present-continuous-progressive/positive-negative-questions-write-2

https://agendaweb.org/exercises/verbs/present-continuous-progressive/wh-questions-write

http://s.mound.free.fr/skyblues67/v+ing/vingqcm.htm

PAST PROGRESSIVE OR PRESENT CONTINUOUS

https://www.montsemorales.com/gramatica/PastContinAffnegSw2-6.htm

http://static.digischool.nl/en/grammatica/pastcont-vraag.htm

https://www.ego4u.com/en/cram-up/grammar/past-progressive/exercises?03

http://www.english-room.com/grammar/pastcontinuous_1.htm

http://www.adelescorner.org/grammar/past_cont/past_cont_1.html

https://www.montsemorales.com/gramatica/PastContinAffneg.htm

https://www.ego4u.com/en/cram-up/grammar/past-progressive/exercises?06

http://www.eslgamesplus.com/past-progressive-past-continuous-past-simple-verb-tenses-esl-grammar-interactive-activity/