PRESENT CONTINOUS

1 https://www.ego4u.com/en/cram-up/grammar/present-progressive/form/exercises?form02

2  https://www.ego4u.com/en/cram-up/tests/present-progressive-1

3 http://www.really-learn-english.com/present-progressive-exercises.HTML

 IMPORTANTE HACERLO
4 http://www.carmenlu.com/first/grammar/presentcont17.htm

5 http://www.montsemorales.com/gramatica/PresCont0.htm

6 http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/pcont1.htm

7  http://www.englishexercises.org/makeagame/viewgame.asp?id=2364

8 http://www.englisch-hilfen.de/en/exercises/tenses/present_progressive_statements_contracted.htm