6th grade B C

THERE IS- THERE ARE

http://elovivo.com/introenglish/en/intro_english/lessons_wordlist/basic_english_lesson_08/lesson08a_ex.html

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

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

https://agendaweb.org/exercises/grammar/there-is-there-are.htm

https://agendaweb.org/exercises/grammar/there-is-there-are/index.html

http://www.web-esl.com/countnocount/there.htm

http://www.english-room.com/grammar/thereis_thereare2.htm

https://elt.oup.com/student/englishfile/beginner/a_grammar/file06/grammar06_a01?cc=global&selLanguage=en

http://www2.arnes.si/~oskplucija4/ces/thereisare.htm

http://www.eflnet.com/grammar/therebe.php

http://www.adelescorner.org/grammar/there_is/thereis.html

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

https://www.linchomestudy.ca/online/eaonline/FlashedESL/fe-thereisare.html

https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-9437.php