EXERCISES:
- https://agendaweb.org/exercises/grammar/there-is-there-are/index.html
- https://agendaweb.org/exercises/grammar/there-is-there-are.htm
- http://www2.arnes.si/~oskplucija4/ces/thereisare.htm
- https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-9437.php
- https://www.englisch-hilfen.de/en/exercises/various/there_is_there_are2.htm
- http://s.mound.free.fr/skyblues67/fridges_some-any/fridges1.htm
- http://www.web-esl.com/countnocount/there.htm
GAMES