これは誰のかばんですか。

N5 これ kore this, this one N5 誰 dare who N5 かばん kaban bag

N1 誰 sui / dare, tare, ta who, someone, somebody

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 N4 〜ので node Indicates cause or reason in a softer way than kara, connects two clauses, often used in polite explanations N5 〜です desu Used at the end of a sentence, polite affirmative form, means to be depending on context N4 〜ば ba Indicates a hypothetical condition, attaches to verb or adjective, means if it happens then N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information