404. That’s an error.
The requested URL /_/+1/confirm?hl=de&url=http://www.verbformen.net/conjugation/fortfahren_(hat).htm&title=fortfahren+-+fuhr+fort+-+hat+fortgefahren+%28Conjugation%29 was not found on this server. That’s all we know.
/_/+1/confirm?hl=de&url=http://www.verbformen.net/conjugation/fortfahren_(hat).htm&title=fortfahren+-+fuhr+fort+-+hat+fortgefahren+%28Conjugation%29