matter在这里是不及物动词 （vi.）可以理解为：要紧,有关系,所以不用were.句子中间的we all think 是插入语,句子主体是强调句：It was not who is right but what is right that matters.matter 例句:It does not ma...如果去掉强调句型 it is ....that..恢复句子是Not who is right but what is rightmatters对么？是的，不过一般不这么说，只是语法上可以这么分析。一般就用强调句式表达类似的意思