YOU SAID:

The twins were identical, so they were often mistaken for each other.

INTO JAPANESE

双子は同じだったので、よく間違えられました。

BACK INTO ENGLISH

The twins were the same, so I was often mistaken.

INTO JAPANESE

双子は同じだったので、よく間違われました。

BACK INTO ENGLISH

The twins were the same, so I was often mistaken.