It's so heavy a desk that I can't carry it.划分一下这个句子成分
问题描述：
It's so heavy a desk that I can't carry it.划分一下这个句子成分
答
您好!
It's so heavy a desk that I can't carry it. 划分一下这个句子成分
it是主语
is是谓语
so heavy是宾语补足语
a desk是宾语
that I can't carry it是定语从句