YOU SAID:

When you have to do the same things you did in your past

INTO JAPANESE

過去と同じことをしなければならないとき

BACK INTO ENGLISH

When you have to do what you did in the past

INTO JAPANESE

過去にしたことをしなければならないとき

BACK INTO ENGLISH

when you have to do what you did in the past

INTO JAPANESE

過去にしたことをしなければならないとき

BACK INTO ENGLISH

when you have to do what you did in the past