He is finding his new work is far more exceting.这两句中的be动词为什么不要?

问题描述:

He is finding his new work is far more exceting.这两句中的be动词为什么不要?
he saw two thieves were rush out of a shop .

find 和see加上动词以后可以再加宾补,find宾语是his new work,far more exciting是宾补,补充说明前面的work,这中间是不要be动词的,比如说find the school interesting,如果要be动词也可以,那就解释为宾语从句,find that(that可以省略)后面就可以加句子了,see么,有两个固定词组see sb doing,看到某人正在做某事,see sb do看到某人经常做某事