彼の歯に菌が繁殖してる

N5 彼 kare he N5 歯 ha tooth N3 菌 kin germ, bacterium, microorganism N1 繁殖 hanshoku breed, multiply, propagation

N3 彼 hi / kare, kano, ka.no he, that, the N3 歯 shi / yowai, ha, yowa.i, yowai.suru tooth, cog, dent N1 菌 kin germ, fungus, bacteria N1 繁 han / shige.ru, shige.ku luxuriant, thick, overgrown N1 殖 shoku / fu.eru, fu.yasu augment, increase, multiply

N5 〜ている te iru Indicates ongoing action, continuous state, repeated habit, or resulting condition depending on context N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also 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