今月中には返事します。

N5 今月 kongetsu this month N5 中 naka inside / middle N4 返事 henji reply, answer, response

N5 今 kon, kin / ima now, maintenant, ahora N5 月 getsu, gatsu / tsuki month, moon, lune N5 中 chuu / naka, uchi, ata.ru in, inside, middle N3 返 hen / kae.su, -kae.su, kae.ru, -kae.ru return, answer, fade N4 事 ji, zu / koto, tsuka.u, tsuka.eru matter, thing, fact

N5 〜ます masu Used at the end of verbs, polite present or future form, makes the sentence more polite 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 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information