填 it to talk
I found it was hard to talk with her.是个复合句,是个宾语从句,it 是形式宾语,真正的宾语是to talk with her 我发现和她交谈很难.
而把was去掉 句子就变成了简单句
I found it hard to talk with her.
这时it做宾语 hard to talk with her做宾补