There is/ There are

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

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

https://esl.writingexercises.co.uk/there-is-there-are.php

https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-9437.php ejercicio de ordenar palabras para formar la frase