See how Greek turns direct quotes into reported speech with ότι, αν and να, using a wide range of reporting verbs. Each pair shows the direct version followed by the reported one.
Λέει: "Θέλω να πάω."
He says: "I want to go."
Λέει ότι θέλει να πάει.
He says that he wants to go.
Λέει: "Πήγα στη δουλειά χθες."
He says: "I went to work yesterday."
Λέει ότι πήγε στη δουλειά χθες.
He says that he went to work yesterday.
Ρώτησε: "Θα έρθεις αύριο;"
He asked: "Will you come tomorrow?"
Ρώτησε αν θα ερχόμουν αύριο.
He asked whether I would come tomorrow.
Ζήτησε: "Να έρθεις αύριο."
He asked: "Come tomorrow."
Μου ζήτησε να έρθω αύριο.
He asked me to come tomorrow.
Είπε: "Δεν θα μπορέσω να έρθω."
He said: "I won't be able to come."
Είπε ότι δεν θα μπορούσε να έρθει.
He said that he wouldn't be able to come.
Ανέφερε: "Όλα τα σχέδια έχουν αλλάξει."
He mentioned: "All the plans have changed."
Ανέφερε ότι όλα τα σχέδια είχαν αλλάξει.
He mentioned that all the plans had changed.
Δήλωσε: "Θα πάμε στη Θεσσαλονίκη."
He declared: "We will go to Thessaloniki."
Δήλωσε ότι θα πήγαιναν στη Θεσσαλονίκη.
He declared that they would go to Thessaloniki.
Διαφώνησε: "Αυτό δεν είναι σωστό."
He disagreed: "That isn't right."
Διαφώνησε, λέγοντας ότι αυτό δεν ήταν σωστό.
He disagreed, saying that it wasn't right.
Υπέθεσε: "Ίσως βρούμε λύση."
He supposed: "Maybe we'll find a solution."
Υπέθεσε ότι ίσως θα έβρισκαν λύση.
He supposed that they might find a solution.
Παραδέχθηκε: "Έχεις δίκιο."
He admitted: "You're right."
Παραδέχθηκε ότι είχα δίκιο.
He admitted that I was right.
Προειδοποίησε: "Πρόσεχε την κίνηση."
He warned: "Watch out for the traffic."
Με προειδοποίησε να προσέχω την κίνηση.
He warned me to watch out for the traffic.
Ισχυρίστηκε: "Η αλήθεια είναι αλλιώς."
He claimed: "The truth is different."
Ισχυρίστηκε ότι η αλήθεια ήταν αλλιώς.
He claimed that the truth was different.
Εξήγησε: "Αυτό συμβαίνει επειδή..."
He explained: "This happens because..."
Εξήγησε ότι αυτό συμβαίνει επειδή...
He explained that this happens because...
Ενθάρρυνε: "Μην τα παρατάς."
He encouraged me: "Don't give up."
Με ενθάρρυνε να μην τα παρατήσω.
He encouraged me not to give up.
Αναφώνησε: "Αυτό είναι καταστροφικό!"
He exclaimed: "This is disastrous!"
Αναφώνησε ότι αυτό ήταν καταστροφικό.
He exclaimed that it was disastrous.
Αμφέβαλε: "Αμφιβάλλω αν είναι αλήθεια."
He doubted: "I doubt whether it's true."
Αμφέβαλε αν αυτό ήταν αλήθεια.
He doubted whether it was true.
Διέταξε: "Κάν' το αμέσως."
He ordered: "Do it immediately."
Διέταξε να το κάνω αμέσως.
He ordered me to do it immediately.
Είπε: "Ελπίζω να πάμε εκεί."
He said: "I hope we go there."
Είπε ότι ελπίζει να πάνε εκεί.
He said that he hopes they will go there.
Είπε σαστισμένος: "Δεν ξέρω τι να πω."
He said, at a loss: "I don't know what to say."
Είπε σαστισμένος ότι δεν ήξερε τι να πει.
He said, at a loss, that he didn't know what to say.
Αρνήθηκε: "Αυτό δεν συνέβη."
He denied it: "That didn't happen."
Αρνήθηκε ότι αυτό είχε συμβεί.
He denied that it had happened.