It is strange that a well-behaved gentleman should be so rude to _英语解答

It is strange that a well-behaved gentleman should be so rude to a lady.
为什么用should?

人气：230 ℃　时间：2020-06-06 03:34:52

解答

should的用法之一有表示竟然、不可思议的意思.
这里不涉及虚拟语气,虚拟语气的用法应该是He suggested that I should go there.他建议我去那里.在虚拟语气里,翻译为应该.