Change the narration: I said to my son, "You are sure to top the list of the successful candidates."
- I said to my son that he is sure to top the list of the successful candidates
- I said to my son if he was sure to top the list of the success candidates
- I told my son that he was sure to top the list of the successful candidates
- I told my son that he were sure to have topped the list of the successful candidates