There was no air or water,there would be no life in the worl

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There was no air or water,there would be no life in the world.
这个句子开头为何不倒装?不是虚拟了吗,而且省略了if
倒装规则之一,虚拟语气中省略if时需要倒装
这不是灵活的问题,这是违反规则例外的问题,违背规则就叫学的不死了?只能说例外罢了.

正式文体中,有时可把虚拟条件句中的连词if省去,而将were,had,should等助动词（不包括行为动词）提到主语前面.如果句中没有were,had或should时,既不能省略if,也不能倒装.
所以我觉得这里不能省略if

There was no air or water,there would be no life in the worl 1,（A ）no air or water,there would be no life in the world ______ no air or water,there would be no life in the world. （）no air or water,there would be no life in the world _____no air and water,there would be no life in the world. There would be no life ___ water. ___there is no air or water ,there can be no life of any kin There is no life _____ (with) air or water. Without sunlight ,or water or air ,there ___ no life on the there will be no life without air ( )water 这里是用and 还是or there would be no life without water and air.怎么换特殊疑问句 There would be no heat or air-conditioning and no toilets in