母(はは) hahaは waゆうべ yuube遅(おそ)く() osokuまで made起(お)き()て()い()た() okiteita。 My mother was up late last night. Literal Mother [topic-は] last-night late [until-まで] was-awake ゆうべ = last night (colloquial). 遅くまで起きていた = 'was awake until late.' まで marks the endpoint. family~まで (until)~ている (ongoing state)
母(はは) hahaは waゆうべ yuube遅(おそ)く() osokuまで made起(お)き()て()い()た() okiteita。 My mother was up late last night. Literal Mother [topic-は] last-night late [until-まで] was-awake ゆうべ = last night (colloquial). 遅くまで起きていた = 'was awake until late.' まで marks the endpoint. family~まで (until)~ている (ongoing state)