an old saying has it that ,,,,,, 这算是什么倒装呢？

an old saying has it that ,,,,,, 这算是什么倒装呢？

1，这不是倒装句。
2，has it that 是个比较固定的用法，尤其适用于谚语、格言、传闻等，意思是“有...的说法"， has在这里是动词“有”的意思，而不是连词“已经”,it 在这里代表那个说法，那个说法的具体的内容由that后面跟一个从句来说明。
an old saying has it that the early bird gets the worms. 有句老话说早起的鸟儿捉虫多
news has it that Fan Bingbing and Lichen have get married 新闻流传范冰冰和李晨已经结婚了。追问An old saying has it that half of all advertising budgets are wasted-the trouble is ,no one knows which half.这句话中"-the trouble is，"怎么解释比较好

半倒桩追问半倒装有这种吗？请讲的具体点

主谓倒装

是半倒装，原来的语序是It has an old saying that……，为了突出强调an old saying，所以才提前变成倒装，that后面的部分是an old saying 的同位语从句。追问部分倒装是某些特定词在句首时倒装
这句怎么没有啊追答an old saying has it that习惯用法，正如古语所说：“语和熊掌，不可兼得。”
就跟以前学过的 it is said that ....一样