父(ちち) chichiは wa毎(まい)年(とし) maitoshiデトロイト detoroitoへ e仕(し)事(ごと) shigotoへ e行(い)っ()て()い()た() itteita。 My father used to go to Detroit on business every year. Literal Father [topic-は] every-year Detroit [to-へ] work [to-へ] was-going. 毎年 marks the yearly frequency. 行っていた uses ~ていた for a past habitual action. workfamilytravel~ていた (past progressive/state)
父(ちち) chichiは wa毎(まい)年(とし) maitoshiデトロイト detoroitoへ e仕(し)事(ごと) shigotoへ e行(い)っ()て()い()た() itteita。 My father used to go to Detroit on business every year. Literal Father [topic-は] every-year Detroit [to-へ] work [to-へ] was-going. 毎年 marks the yearly frequency. 行っていた uses ~ていた for a past habitual action. workfamilytravel~ていた (past progressive/state)