母(はは) hahaは wa兄(あに) aniと to一(いっ)緒(しょ)に() isshoni買(か)い()物(もの) kaimonoを oし shiに ni行(い)っ()た() itta。 My mother went shopping with my older brother. Literal Mother [topic-は] older-brother [with-と] together shopping [object-を] do-[purpose-に] went 兄と一緒に = 'together with older brother.' 一緒に adds emphasis to と — explicitly 'together.' 買い物をしに行った = purpose pattern. familyと (with/companion)
母(はは) hahaは wa兄(あに) aniと to一(いっ)緒(しょ)に() isshoni買(か)い()物(もの) kaimonoを oし shiに ni行(い)っ()た() itta。 My mother went shopping with my older brother. Literal Mother [topic-は] older-brother [with-と] together shopping [object-を] do-[purpose-に] went 兄と一緒に = 'together with older brother.' 一緒に adds emphasis to と — explicitly 'together.' 買い物をしに行った = purpose pattern. familyと (with/companion)