请问这句话的语法分析,虚拟语气与倒装The Achievements of the greatest minds in scien_英语解答

请问这句话的语法分析,虚拟语气与倒装
The Achievements of the greatest minds in science could never have been reached had it not been for the patient work for hundreds of others.
1.请问句中为什么要用could?这是什么语法结构?
2.这句话中倒装和虚拟语气在哪里?
最后,这句话全句怎么翻译?

人气：206 ℃　时间：2020-01-27 15:53:49

解答

1.此句乃非真实条件句,你在虚拟语气的语法章节里能找到的 .= If it had not been for the patient work for hundreds of others,the achievements of the greatest minds in science could never have been reach...