共同生活が始まった

N3 共同 kyoudou cooperation, collaboration, joint work N4 生活 seikatsusuru living, life; to live

N3 共 kyou / tomo, tomo.ni, -domo together, both, neither N4 同 dou / ona.ji same, agree, equal N5 生 sei, shou / i.kiru, i.kasu, i.keru, u.mareru, uma.reru, u.mare, umare, u.mu, o.u, ha.eru, ha.yasu, ki, nama, nama-, na.ru, na.su, mu.su, -u life, genuine, birth N3 活 katsu / i.kiru, i.kasu, i.keru lively, resuscitation, being helped N4 始 shi / haji.meru, -haji.meru, haji.maru commence, begin, commencer

N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences