1.We found it very easy to do.这里面found 后面的it 为什么不加is ,不是it+i

1.We found it very easy to do.这里面found 后面的it 为什么不加is ,不是it+i we found it very easy to do I found it hard to fall asleep at night.请问it后为什么不加is. i found it interesting 为什么不加is I find it is easy to do sth ,这里的IS可加可不加吗 It is easy to climb the hill 和 I found it not easy to get on a site had to be found for it 这里found不是动词吗,为什么要加be? I found it very important______Englishi well 为什么填to learn rhe question is too difficult and we found it is not easy to we found it necessary to protect the earth 为什么用it 而不是it is We all found ( it ) very interesting to eat.为什么要用it? I found it easy to learn English well.