English translation by VSARPJ from Null Pronouns in Selected Subordinate Clauses in Old Japanese:
‘If I had known that the way at Asuka River would be blocked, I would have led (her) to bed many nights, if I’d known it would be blocked’

English translation by Vovin from Vovin, Alexander. 2009-2013. A New English Translation Containing the Original Text, Kana Transliteration, Romanization, Glossing and Commentary. Folkestone, UK: Global Oriental Press.:
“(2) If [I only] knew that [your parents] are going to stop [us]/dam (1) Asuka river, (3/4) [I] would come to bring [you out] to sleep [together] for many nights, but… (5) If [I only] knew that [they] are going to stop [us]. (W)”