he is considered to be very excellent 此句句子成份如果能有更多关于英语句子成份分析的例句分析就好了,不要太简单的哦,

这句话相当于；consider him to be very excellent .to be very excellent 当宾语him的补语
改为被动语态就变成了he is considered to be very excellent .
is是助动词,considered谓语,
所以to be very excellent 是不定式当主语he的补语.