この薬を飲んでもいいですか。

N5 この kono this N5 薬 kusuri medicine, medication N5 いい ii good, nice, okay

N3 薬 yaku / kusuri medicine, chemical, enamel N4 飲 in, on / no.mu, -no.mi drink, smoke, take

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 N5 〜でも demo Indicates representative example, approximate suggestion, mild surprise or concession depending on context N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜も mo Means also, adds another similar item, often replaces particles such as wa ga or o