来月から転校することになりました

N5 来月 raigetsu next month N3 転校 tenkou change schools N5 する suru do, perform, try

N5 来 rai, tai / ku.ru, kita.ru, kita.su, ki.tasu, ki.taru, ki, ko come, due, next N5 月 getsu, gatsu / tsuki month, moon, lune N4 転 ten / koro.garu, koro.geru, koro.gasu, koro.bu, maro.bu, utata, utsu.ru, kuru.meku revolve, turn around, change N5 校 kou, kyou exam, school, printing

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 〜ます masu Used at the end of verbs, polite present or future form, makes the sentence more polite N5 〜から kara Indicates cause or reason, equivalent to because or since, connects two clauses explaining reason N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also 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 N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options