Longevity would be increased中的 increased变成increasing对不对呢

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Longevity would be increased中的 increased变成increasing对不对呢

Longevity would be increased中的 increased变成increasing对不对呢
Longevity would be increased中的 increased变成increasing对不对呢

Longevity would be increased中的 increased变成increasing对不对呢
从理论上来说,increase既可以是及物动词,也可以是不及物动词,因此,longevity would be increased和 longevity would increase 我觉得好像都是对的啊
但是我在网上查了一下,几乎所有的用法,都是用被动的,很少用主动,也许是为了强调寿命增加是人为因素吧?
longevity would be increasing这个不合适,因为be increasing是指渐渐增长的过程,而这里只是强调寿命增加的结果.

Longevity 【主语】would be increased【谓语】, for fewer people would diewill be increased就是表将来被动语态,这里之所以用would,是虚拟语气,表示

变成increasing不对
Longevity would be increased这句意思是人类的寿命加会增加
而寿命不是它自身就可以增加的,而是人类采取措施来增加的 所以用被动即increased