学员疑问: 老师,这句话为什么用“Had I known”开头?原句是“If I had known the truth, I would have acted differently.”
老师解答: 虚拟语气中,若条件句含“had”“were”“should”时,可省略“if”并倒装。原句“If I had known”省略“if”后,需将“had”提前至主语前,变为“Had I known”。此结构更正式,常见于书面语。例如:“Had she studied harder, she would have passed the exam.”(= If she had studied harder...)。
点评分析:要掌握虚拟语气倒装规则。倒装后句子结构需严格遵循“Had/Were/Should + 主语 + 动词原形”的格式,且主句仍需用“would/could/might have done”。此考点在阅读理解长难句和写作中高频出现,需通过典型例句强化语法意识,避免混淆倒装与正常语序。