川に流れた物がどこから来たのか気になる

N5 川 kawa river N3 流れ nagare stream, current N5 物 mono thing, object N3 どこか dokoka somewhere, anywhere N3 来 rai next, coming, prefix for time N4 気 ki spirit, mood, feeling, energy N5 なる naru become, turn into, happen

N5 川 sen / kawa stream, river, river or three-stroke river radical (no. 47) N3 流 ryuu, ru / naga.reru, naga.re, naga.su, -naga.su current, a sink, flow N4 物 butsu, motsu / mono, mono- thing, object, matter N5 来 rai, tai / ku.ru, kita.ru, kita.su, ki.tasu, ki.taru, ki, ko come, due, next N5 気 ki, ke / ki spirit, mind, air

N5 〜から kara Indicates cause or reason, equivalent to because or since, connects two clauses explaining reason N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options