Would of 是什么用法？

原本可以，当然，然而
例句
1.
My time would of been spent far more wisely.
我原本可以更明智地支配自己的时间。
www.fortunechina.com
2.
These inventors would of course have to sign contracts surrendering the right to their ideas.
当然，这些发明人必须和公司签订合同同意放弃对其构想的权利。
article.yeeyan.org
3.
Clear recommendations, offered with some caution because you would of course need more detail before implementing any of them.
明晰的提议，并提供一些需加以谨慎的地方，因为在你实施任何措施之前当然需要更多的细节。
article.yeeyan.org
4.
And all sudanese would of course like to see congress lift its trade embargo.
所有的苏丹人当然都希望看到美国国会（congress）取消（对苏丹的）贸易禁运。
www.ecocn.org
5.
Such a move would of course come as a tremendous shock, and it would be essential to protect italy and france at once by making far-reaching concessions that shift the remaining euro area towards mutualisation of debt and the creation of a banking union.
这一措施势必会带来极大的冲击，而且立刻保护意大利与法国是其宗旨，通常是通过做出影响深远的让步，即在面对债务共担与银行业联合时保持欧元区的存在。

没有这个用法啊，具体什么题目啊