He said to me, “Do you know the fact”. Change it into indirect narration.

He ask me if I know the fact

He told me if I know the fact

He asked me if I Knew the fact

All of the above

This is an interrogative sentence of Present Indefinite Tense.

Interrogative sentences: changed into the indirect speech by using the connective if or whether.

The reporting verb said: changes to asked, queried, questioned, demanded of or enquired of in the indirect speech.