he was seen entering the building about the time the crime was committed.

지각동사 수동태니까 to enter로 바꿔야 하잖아요. 근데 해석이 어떻게 되는진 잘 모르겠네요ㅠㅠ

jonny , who had been working for the ngo for more than three decades, believed that fighting for animal rights was somethingas important as fighting for human rights.

여기서 had been이 좀 어색해보이는데 맞는 문장인가요?