it的宾格

it的主格和宾格都是it。
it [it]
[无人称代词] it[所有格] its [宾格] it; [复数] they, [所有格] their或theirs[宾格] them;

相关例句：
Is this the peony? No,it is the tree-peony.
这是芍药吗?不，这是牡丹。
He took a stone and threw it.
他拾起一块石头，把它扔了出去。
I remembered he told me about it.
我记得他跟我提过这件事。
It all started with Adam and Eve.
这种想法从亚当和夏娃以来就开始了。

楼上胡扯！！

宾格代词it
形容词所有格its
名词所有格its

就是it
主格--------------it
宾格--------------it
形容词性物主代词--its
名词性物主代词----its

是it，名词、形容词性都是its

不是
是it
its是名词性物主代词