電話でんわ、代かわってもらえる？今いま手てが離はなせなくて。

denwa, kawatte moraeru? ima te ga hanasenakute.

Can you take the phone for me? My hands are full right now. casual

部長ぶちょうが入院にゅういんしたので、課長かちょうが部長ぶちょうに代かわって会議かいぎに出でました。

buchou ga nyuuin shita node, kachou ga buchou ni kawatte kaigi ni demashita.

Since the department head was hospitalized, the section chief attended the meeting in his place. neutral