Present Continuous

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

http://www.myenglishpages.com/site_php_files/grammar-exercise-present-progressive.php

https://agendaweb.org/verbs/present_continuous-exercises.html

http://www.englishexercises.org/makeagame/viewgame.asp?id=1083

http://www.englishexercises.org/makeagame/viewgame.asp?id=2977

http://www.englishexercises.org/makeagame/viewgame.asp?id=211

http://www.englishexercises.org/makeagame/viewgame.asp?id=4417

Word order

http://first-english.org/english_learning/english_tenses/present_progressive/91_present_progressive_word_order.htm

http://first-english.org/english_learning/english_tenses/present_progressive/90_present_continuous_word_order.htm

http://first-english.org/english_learning/english_tenses/present_progressive/34_present_continuous_word_order.htm

There is / There are

https://www.englisch-hilfen.de/en/exercises/various/there_is_there_are.htm

https://www.englisch-hilfen.de/en/exercises/various/there_is_there_are2.htm

https://www.englisch-hilfen.de/en/exercises/various/there_is_there_are3.htm

https://agendaweb.org/grammar/there_is_are-exercises.html

Short (yes/no) answers

https://www.englisch-hilfen.de/en/exercises/questions/short_answers_have_got.htm

https://www.englisch-hilfen.de/en/exercises/questions/can.htm

https://www.englisch-hilfen.de/en/exercises/questions/short_answers_be.htm

House and furniture

https://agendaweb.org/vocabulary/house_furniture-exercises.html

https://agendaweb.org/exercises/vocabulary/house/rooms.htm

http://en.ver-taal.com/voc_house1.htm

Prepositions (in, on, under, in front of, behind)

https://agendaweb.org/exercises/grammar/prepositions/place-2

https://agendaweb.org/grammar/prepositions-exercises.html

http://www.englishexercises.org/makeagame/viewgame.asp?id=186