Links:
- Exercise 1: http://www.anglomaniacy.pl/grammar-adventure-6.htm
- Exercise 2: http://a4esl.org/q/h/9807/km-thereisare.html
- Exercise 3: http://www.usingenglish.com/quizzes/74.html
- Exercise 4: http://www.grammar.cl/Games/There_is_There_are.htm
- Exercise 5: http://www.englishexercises.org/makeagame/viewgame.asp?id=4627
- Exercise 6: http://www.englishexercises.org/makeagame/viewgame.asp?id=5272
The following link goes to a web page where you can find twenty different activities to practice there is and there are. Play them all.