SINGULAR TO PLURAL Make the plural of the next words. Cambia al plural las siguientes palabras. SINGULAR PLURAL witch SINGULAR PLURAL vampire SINGULAR PLURAL pumpkin SINGULAR PLURAL sweet box SINGULAR PLURAL haunted house SINGULAR PLURAL mummy SINGULAR PLURAL knife http://www.educa.jcyl.es SINGULAR PLURAL monster SINGULAR PLURAL spider SINGULAR PLURAL cat SINGULAR PLURAL focus SINGULAR PLURAL battery SINGULAR PLURAL bone SINGULAR PLURAL bat SINGULAR PLURAL zombie http://www.educa.jcyl.es