旅行の準備をしています。

N5 旅行 ryokou travel, trip N4 準備 junbi preparation, readiness N5 います imasu there is / exist (living things)

N4 旅 ryo / tabi trip, travel, voyage N5 行 kou, gyou, an / i.ku, yu.ku, -yu.ki, -yuki, -i.ki, -iki, okona.u, oko.nau going, journey, carry out N2 準 jun / jun.jiru, jun.zuru, nazora.eru, nori, hito.shii, mizumori semi-, correspond to, proportionate to N3 備 bi / sona.eru, sona.waru, tsubusa.ni equip, provision, preparation

N5 〜ている te iru Indicates ongoing action, continuous state, repeated habit, or resulting condition depending on context 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 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase