父(ちち)親(おや) chichioyaが ga病(びょう)気(き)の() byoukino間(ま) ma、彼(かれ) kareが ga会(かい)社(しゃ) kaishaを o経(けい)営(えい) keieiした shita。 While his father was ill, he ran the company. Literal Father [subject-が] sick [duration-の間], he [subject-が] company [object-を] managed. ~の間 marks a duration: 'during the time that father was sick.' 経営する (to manage/run a business) is a formal suru-verb. 病気の間 treats the illness period as a time span. workfamilyhealth
父(ちち)親(おや) chichioyaが ga病(びょう)気(き)の() byoukino間(ま) ma、彼(かれ) kareが ga会(かい)社(しゃ) kaishaを o経(けい)営(えい) keieiした shita。 While his father was ill, he ran the company. Literal Father [subject-が] sick [duration-の間], he [subject-が] company [object-を] managed. ~の間 marks a duration: 'during the time that father was sick.' 経営する (to manage/run a business) is a formal suru-verb. 病気の間 treats the illness period as a time span. workfamilyhealth