やっておこないたそうだ
やって行いたそうだ
yatte okonaita sōda

Godan Verb (ku)
Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of やっていく

1. It seems...; They say...; Apparently...

Past/Perfective
Hearsay Evidence
Usually Written in Kana