if 虚拟条件句的问题, 从句had done ,主句不是应该would have done么?

if 虚拟条件句的问题, 从句had done ,主句不是应该would have done么? 请问if的虚拟条件句（虚拟语气）与if的条件状语从句如何区别,请详细说说, 虚拟语气中的混合条件句问题主句与从句的动作发生在不同的时间,这时主,从句谓语动词的虚拟语气形式因时间不同而不同,这叫做混合条件句.1.If you had asked him yesterday,you would know what to do now. if引导的条件句和虚拟句两种,从句的时态和形式是什么? 虚拟条件句 if从句时态一定要在主句的过去吗 if如何构成虚拟条件句的? 虚拟条件句中if的省略及倒装,had 是指哪个had?从句中有should,were,had三个助动词可以把if省略,并将这三个词提至句首.had是哪个had 如：If I had had time,I would have run round that lake again.如果指的是第一 if虚拟条件状语从句过去 现在 将来 的形式 关于虚拟语气的一个问题!if条件句,表示与将来事实相反时,从句谓语是过去时或should do关于虚拟语气的一个问题!if条件句,表示与将来事实相反时,从句谓语是过去时或should do 或were to,是不是be 虚拟语气中if条件从句中又包含其他从句应该怎么办?比如我想说如果我昨天有仔细听老师在课堂上讲的重点内容,那么现在我就不会尴尬了这个if 条件句中还有从句不知道怎么弄时态if i had att 请帮我分析几个英语虚拟语气句子1 if he ___ to the teacher attentively,he ___ the answer to the problem now ( had listened,would know) if引导得虚拟条件句,应是if 从句的谓语形式用过去完成时即had＋过去分词,主 if引导条件状语从句和if引导的虚拟从句,如何辨别? 虚拟语气和条件状语从句的区别1 if she had got financial aid ,she would continue her study.2 given enough money,she will continue her study.3 if she is given enough money ,she will continue her study.1句为虚拟语气,2句为分词起 关于英语虚拟语气的一些问题._____you were coming today ,I'd have met you at the railway station.A.Have I Known B.I have knownC.I had known D.Had I known我选的是C 按照虚拟语气的语法 表示过去式情况 从句If+had+过 if引导的条件状语从句和虚拟语气 如何区分 （急）what would you do if you had a million dollars?这个句子中的if引导的是个条件状语从句还是个虚拟语气?what if I do not konw anyone 这个句子是虚拟语气么? if only虚拟语气if only引导的是虚拟条件句还是主句? 几个关于虚拟语气的问题~1.The old man felt as if he______die.A.was going to B.were going toC.will D.would为什么呢?可是FELT是过去式啊?不应该用HAD BEEN GOING 而且系动词后面AS IF不是可直接接真实条件句的吗?为 if 从句用过去时,主句用什么时态?（真实条件句,不是虚拟语气）