朝から空が曇っています。

N5 朝 asa morning N5 空 sora sky N5 います imasu there is / exist (living things)

N4 朝 chou / asa morning, dynasty, regime N4 空 kuu / sora, a.ku, a.ki, a.keru, kara, su.ku, su.kasu, muna.shii empty, sky, void N2 曇 don / kumo.ru cloudy weather, cloud up, temps couvert

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 N5 〜から kara Indicates cause or reason, equivalent to because or since, connects two clauses explaining reason N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options