微英语 - 1000语法细节:虚拟语气002

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有时候，虚拟条件句中，结果主句和条件从句的谓语动作若不是同时发生时，虚拟语气的形式应作相应的调整，这种条件句叫错综条件句。比如，从句的动作与过去事实相反，而主句的动作与现在或现在正在发生的事实不符。例如：If I had worked hard at school, I would be an engineer, too./If they had informed us, we would not come here now.

标签：从句、句型　　难度（5）｜用途（5）｜标记（ ）

有一种错综条件句，其中的从句的动作与现在事实相反，而主句的动作与过去事实不符。如：If he were free today, we would have sent him to Beijing./If he knew her, he would have greeted her.

标签：从句、动作　　难度（5）｜用途（4）｜标记（ ）

一般情况下，would rather, had rather, would sooner等之后的宾语从句，常表示与客观事实不相符的一种愿望，所以要使用虚拟语气。比如：I'd rather you had seen the film yesterday./I'd rather you were here now.

标签：句子、形态　　难度（4）｜用途（5）｜标记（ ）

虽然be动词有各种时态，可以随着人称变化。但是需要注意，在虚拟语气的从句中，动词be的过去时态一律用were，不用was。比如：If I were you, I would go to look for him.

这里就只能用were，而不是was.

标签：动词、时态　　难度（3）｜用途（6）｜标记（ ）

热门词汇

engineer n. 工程师

inform vt. 通知；告诉

greet vt. 欢迎，迎接

rather adv. 宁可；相当

yesterday n. 昨天；往昔

look for 寻找

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常用词组--must have done

　　常用词组"must have done"表示对过去事情的肯定推测，译成"一定做过某事"，该结构只用于肯定句。比如：It must have rained last night, for the ground is wet.（昨晚一定下雨了，因为地面还是湿的。）注意，它并不表示虚拟语气。