最後に大事な歯を抜くことになった

N4 最後 saigo last, end, final N4 大事 daiji important, valuable, serious matter N5 歯 ha tooth N3 抜く nuku pull out, remove, extract, overtake

N3 最 sai, shu / motto.mo, tsuma utmost, most, extreme N5 後 go, kou / nochi, ushi.ro, ushiro, ato, oku.reru behind, back, later N5 大 dai, tai / oo-, oo.kii, -oo.ini large, big, grand N4 事 ji, zu / koto, tsuka.u, tsuka.eru matter, thing, fact N3 歯 shi / yowai, ha, yowa.i, yowai.suru tooth, cog, dent N3 抜 batsu, hatsu, hai / nu.ku, -nu.ku, nu.ki, nu.keru, nu.kasu, nu.karu slip out, extract, pull out

N3 〜ことになる koto ni naru Indicates decision result rule or change determined externally, attaches to a verb, means it has been decided that N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements