found it interesting to do 和 found to do is interesting 可以划等号吗?后面这种表述合理吗?还有前面句子中的it在句中做什么成分?
前一个句子it做动词found的形式宾语;后一个句子我觉得可能是found的宾语从句省略了that,即found that to do is interesting.但是感觉用found that doing is interesting