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问题: 分析下这个句子

I would be hard-pressed to imagine how much p
leasure and excitement tourism can afford us
should all the cultural differiences between hosts and guests be elimnated.
should 后面是个什么句型

解答:

这是虚拟语气条件句。

“在此类型句型中,从句谓语动词有were, had, should等词,可将if 省略,把 were, had, should 移到主语之前,采取部分倒装。”

上述句子 ... should all the cultural differences between hosts and guests be eliminated. = .... if all the cultural differences between hosts and guests were eliminated.