GratisReported speech I - Cambios en los tiempos verbales
Peter said, "I am going to the party" / Peter said she was going to the party.
GratisReported speech II - Cambios en los verbos modales
She said, "I can ride a bike" / She said she could ride a bike.
GratisReported speech III - Cambios en referencias de tiempo
He said, "I finished yesterday" / He said he had finished the day before"
GratisReported speech IV - Cambios en las preguntas
He asked, "Do you like dogs" / He asked me if I liked dogs