Hi everyone!
Here you have a reference card to reinforce what we are learning at school.
Also, here you have a video that may be helpful. There is some practice at the end of it!
Finally, you can use these online games to practice a little bit. HAVE FUN!!
http://www.adelescorner.org/grammar/there_is/thereis.html
https://www.grammar.cl/Games/There_is_There_are.htm