TOPICS
Simple present
-https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_statements2.htm
-http://www.languageguide.org/english/vocabulary/family/
http://baladre.info/english/sedaviwebfront/presimpneg.htm
http://www.montsemorales.com/gramatica/PresSimpNeg1Spt.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=4599
http://www.english-room.com/negative_5.htm
http://www2.arnes.si/~oskplucija4/ces/psnegative.htm
http://www.languageguide.org/english/vocabulary/family/
Past progressive
https://agendaweb.org/verbs/past-continuous-past-simple-exercises.htmlhttps://www.english-4u.de/en/tenses-exercises/past-simple-or-progressive3.htmhttps://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-90380.php
https://www.ego4u.com/en/cram-up/grammar/future-1-going-to/exercises
https://agendaweb.org/exercises/verbs/going-to-write
https://www.englishclub.com/esl-games/grammar/jumbled-future-going-to-1.htm
Will
https://www.englisch-hilfen.de/en/exercises/tenses/will_future_mix2.htm
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-15268.php
https://agendaweb.org/verbs/future-will.html
Should
https://elt.oup.com/student/solutions/elementary/grammar/grammar_05_022e?cc=ec&selLanguage=en
https://www.eslgamesplus.com/modal-verb-should-shouldnt-for-giving-advice-on-health-problems-esl-grammar-activity/
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-43231.php
