I think it easy to learn English well.这里it后怎么没is?

I think it easy to learn English well.这里it后怎么没is? I think it is not easy to learn English well.这个句子为什么不用否定前移啊? I think it diffcult to learn English well.为什么it后面不is?it在这里的作 But it is not easy to learn English well. i find it easy to learn English well 同义句 I found it easy to learn English well. 【英语问题】i find it easy to learn English well I think it easy for me to learn English. We think it important to learn English well.it后为什么不加is I find it is easy to learn English ,这里的is可加不加吗? Can everyone think it easy to learn English?怎么回答 I find it is easy for children to learn English well.(改为同义句）