wˈʌn ɛksplɐnˈeɪʃən ɪz ðæt ˌænɐtˈoʊliən tˈɜːnd ðə pˈɜːfɛkt ˌɪntʊ ɐ pɹˈɛzənt tˈɛns fɚɹə sˈɜːʔn̩ ɡɹˈuːp ʌv vˈɜːbz wˌaɪl ɐnˈʌðɚ, nˈuːɚɹ aɪdˈiə ɪz ðætðə lˌɛɾɚwˈʌnˈiːtˈuːbˈiː ˈaɪ vˈɜːbz kəntˈɪnjuː ɐ spˈɛʃəl klˈæs ʌv pɹˈɛzənts wˌɪtʃ hæd ɐ kˈɑːmplᵻkˌeɪɾᵻd ɹᵻlˈeɪʃənʃˌɪp wɪððə pɹˈoʊɾoʊˈɪndoʊjˌʊɹɹəpˈiən pˈɜːfɛkt.
One explanation is that Anatolian turned the perfect into a present tense for a certain group of verbs while another, newer idea is that the ḫi verbs continue a special class of presents which had a complicated relationship with the Proto-Indo-European perfect.