Using passive voice: We should bear in mind that he did all this

Using passive voice: We should bear in mind that he did all this out of his patriotism.
【正确答案】：It should be born in mind by us that he did all this out of his patriotism.
【题目解析】：变成被动句是由于被动句的主语“he did all this out of his patriotism.”过长，所以我们可以考虑用形式主语it。