如题所述
第1个回答 2020-12-18
也可以加is ，但句型变成了宾语从句
I found it difficult to learn English well.
= I found it is difficult to learn English well.本回答被网友采纳
I found it difficult to learn English well.
= I found it is difficult to learn English well.本回答被网友采纳
第2个回答 2021-03-18
Even if I find it difficult to learn English... 尽管我发现学英语很难...
