How many ways is indirect statement expressed in Greek?

There are three different ways to express indirect statement:ὄτι and ὡς where the verb of the indirect statement is in the indicative but remains in the tense of the original speaker.The infinitive construction where the subject of the indirect statement is accusative except for when the subject is the same as the main verb. In which case, unlike Latin, it becomes the nominative and infinitive construction and the subject is not supplied.The participle construction which like the infinitive construction takes an accusative as the subject of the indirect statement except for when the subject of the main verb is the same as the subject of the indirect statement. In which case again, it is the nominative and infinitive construction and the participle will be in the nominative case.