彼女は鳥の行動を観察してる

N5 彼女 kanojo she N5 鳥 tori bird N3 行動 koudou action, behavior, conduct N3 観察 kansatsu observation, survey, careful study

N3 彼 hi / kare, kano, ka.no he, that, the N5 女 jo, nyo, nyou / onna, me woman, female, femme N4 鳥 chou / tori bird, chicken, oiseau N5 行 kou, gyou, an / i.ku, yu.ku, -yu.ki, -yuki, -i.ki, -iki, okona.u, oko.nau going, journey, carry out N4 動 dou / ugo.ku, ugo.kasu move, motion, change N3 観 kan / mi.ru, shime.su outlook, look, appearance N3 察 satsu guess, presume, surmise

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 〜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 N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information