8. Had

has/have

http://learningapps.org/216947

http://www.montsemorales.com/gramatica/havegot2.htm

had

http://www.agendaweb.org/exercises/verbs/have-has-had.htm

song - Old McDoald had a farm

https://www.youtube.com/watch?v=Y7T0WvaeGUU