if this were done ,it would be a way to create all of the po

此句考察：虚拟语气,对现在事实的虚拟.在主从复合句中的语法体现如下：
If 从句：were/ did (be动词一律用were;实义动词一律用过去式）
主句：would /should / could /might + do
翻译：如果能做到这一点,将会创造出人类所需要的所有电力.