虚拟语气的句子(30条)
与现在事实相反的非真实条件句，条件从句的谓语用动词的过去式（ be 的过去式用 were ），结果主句的谓语用 should （第一人称）或 would （第二、三人称） + 动词原形。如：
"I would rather die than betray my principles."
与过去事实相反的非真实条件句，条件从句的谓语用 had+ 过去分词，结果主句的谓语用 should （第一人称）或 would （第二、三人称） + have+ 过去分词。如：
② Would space allow, I should like to quotethe notice in full. 如有篇幅，我会引用通知全文的。
"I wish I could go back and change the past."
直接语气（ indicative mood ） , 表示所说的话是事实。如：
在不少情况下，虚拟式已变成习惯说法，很难找出其暗含的条件。如：
"She acted as though she were the protagonist in a tragic play."
"I wish I were a child again, free from the burdens of adulthood."
动词原形，用于一切人称和数。如：
"If he had not been so foolish, he would not be in this predicament."
9 不用 if 引导的条件从句
动词的过去式，用于一切人称和数， be 的过去式用 were 。如：
① If we caught the early train, we’d get there by lunch time. 假如我们赶上早班火车，到午饭时间我们就会到达那里了。（表希望）
12 虚拟时态与谓语动词时态的关系
"If it were not for your help, I would have failed."
③“ Joyce! ” and Joycewould have been astonished could she have heard his voice. “乔伊斯！”乔伊斯如听到他的叫声，她会吃惊的。
"She acted as if she were the queen of the world."
"She acted as if she had seen a ghost."
6 条件从句与结果主句所表的时间不一致
时态助动词 should+ have + 过去分词，用于一切人称和数。如：
用于宾语从句，一种是用作动词 wish 的宾语的从句，表示愿望，常省去连词 that 。这种从句的谓语动词可用过去式，表示与现在事实相反；亦可用过去完成式，表示与过去事实相反。如：
"He spoke as though he were the wisest person in the room." - To Kill a Mockingbird by Harper Lee
用于主语从句，其谓语用 should+ 动词原形（或 should+ have+ 过去分词）或只用动词原形
虚拟语气（ subjective mood ），表示所说的话只是一种主观的愿望、假想和建议等。如：
13 虚拟式 were 与过去完成虚拟式的特殊用法
"If I were a bird, I would fly high in the sky."
"I wish I had the courage to follow my dreams, no matter the consequences."
"She spoke as if she were the voice of reason in a chaotic world."
② If we missed the train, we should have towait an hour at the station. 假如我们赶不上这班火车，我们就得在车站等一小时。（表不希望）