病(びょう)院(いん) byouinの no赤(あか)ん()坊(ぼう) akanbou達(たち) tachiは wa大(おお)き()く() ookikuなった natta。 The babies at the hospital have grown up. Literal Hospital [possessive-の] babies [topic-は] big became. 大きくなった uses くなる for a change of state — 'became big, grew up.' 赤ん坊 is a somewhat old-fashioned word for 'baby.' 達 marks the plural. childrenmedicine~くなる (become)~達/~たち (plural suffix)
病(びょう)院(いん) byouinの no赤(あか)ん()坊(ぼう) akanbou達(たち) tachiは wa大(おお)き()く() ookikuなった natta。 The babies at the hospital have grown up. Literal Hospital [possessive-の] babies [topic-は] big became. 大きくなった uses くなる for a change of state — 'became big, grew up.' 赤ん坊 is a somewhat old-fashioned word for 'baby.' 達 marks the plural. childrenmedicine~くなる (become)~達/~たち (plural suffix)