母(はは) hahaは wa生(なま)協(きょう) namakyouに ni入(はい)っ()て()い()ま()し()た() haitteimashita。 My mother used to be a member of the co-op. Literal Mother [topic-は] co-op [in-に] had-entered-[polite-past-ました] 生協 (せいきょう) = consumer cooperative (abbreviation of 生活協同組合). 入っていました = 'had been in / was a member of' — polite past ongoing state. The past tense suggests she's no longer a member. familylifestyle~ている (ongoing state)
母(はは) hahaは wa生(なま)協(きょう) namakyouに ni入(はい)っ()て()い()ま()し()た() haitteimashita。 My mother used to be a member of the co-op. Literal Mother [topic-は] co-op [in-に] had-entered-[polite-past-ました] 生協 (せいきょう) = consumer cooperative (abbreviation of 生活協同組合). 入っていました = 'had been in / was a member of' — polite past ongoing state. The past tense suggests she's no longer a member. familylifestyle~ている (ongoing state)