彼(かの)女(じょ) kanojoは wa母(はは)親(おや) hahaoyaが ga赤(あか)ん()坊(ぼう) akanbouの no世(せ)話(わ)を()す()る() sewawosuruの noを o手(て)伝(つだ)っ()た() tetsudatta。 She helped her mother take care of the baby. Literal She [topic-は] mother [subject-が] baby's care [object-を] do [object-を] helped. のを手伝った uses the nominalizer の to turn 赤ん坊の世話をする into a noun clause that serves as the object of 手伝う. The mother is marked with が as the embedded subject. familychildrenparentingnominalizer の
彼(かの)女(じょ) kanojoは wa母(はは)親(おや) hahaoyaが ga赤(あか)ん()坊(ぼう) akanbouの no世(せ)話(わ)を()す()る() sewawosuruの noを o手(て)伝(つだ)っ()た() tetsudatta。 She helped her mother take care of the baby. Literal She [topic-は] mother [subject-が] baby's care [object-を] do [object-を] helped. のを手伝った uses the nominalizer の to turn 赤ん坊の世話をする into a noun clause that serves as the object of 手伝う. The mother is marked with が as the embedded subject. familychildrenparentingnominalizer の