Give the following sentences in indirect speech, make the necessary changes: 9. Mother says: “Don’t be late for dinner.” 11. They say: “Don’t stay here any longer. It is getting dark.” 16. Mr. Smith says: “Have dinner with us.” 17. The mother says: “Eat up your porridge, children.” 18. The teacher says: “Find the Thames on the map, Mike.” 19. They say: “Don’t make so much noise, John. The baby is asleep.”