虚拟语气和错综条件时间从句区别

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1、虚拟语气和错综条件时间从句区别You would be much better now if you had taken my advice. (错综时间条件从句)You would have been much better now if you had taken my advice.(虚拟)假若你当时听我的话,你现在就会好多了在表示虚拟语气的句子中,条件从句表示的动作与主句表示的动作发生的时间并不一致,这时,谓语动词的形式要根据各自所表示的时间来调整,这种现象叫做错综时间虚拟语气。You would be much better now if you had taken my advic

2、e.假若你当时听我的话,现在就会好多了。(从句过去,主句现在)would have been 是与过去事实相反的非真实条件句 一般来说虚拟语气中的混合时态的句子都有具体的时间词来进行提示的,比如说:If we had arrived at the shopping mall earlier, we would get more gifts now.如果我们早点来商场的话(过去的时间虚拟),我们现在就可以拿更多的礼物了(现在的虚拟)。这是两个不同时间的虚拟语气,有相应的时间词来提示的,now 来提示后句的时间是现在而不是和前面一样的过去。If we had arrived at the shop

3、ping mall earlier, we would have got more gifts.如果我们早点来商场的话,我们就会拿到更多的礼物了。(已经拿了礼物了,但是实际上过去拿的时候没有拿到那么多)如果从句和主句都表示过去的,那从句用 had done,主句用 would ,could,might,should+have done如:If you had taken my advice,you would not have been late for the meeting yesterday.如果从句表示过去的,但主句表示现在的,从句用 had done,主句用 would ,could

4、,might,should+do,如:If you had taken my advice,you would not be late for the meeting now.这种一般都有个时间,如果没有表示时间的词也可以从上下文看出。虚拟语气的用法错误。 随着说话人意图的不同,动词也要用不同的形式。但凡提到虚拟语气,都与谓语动词的形式有关,所以一定要注意用谓语动词的正确形式。例如: ( 1 ) Had Paul received six more votes in the last election, he would have been our chairman now. 应把 would

5、 have been 改为 would be .这是个错综复杂的条件句,因为有 now 限制,所以主句和从句属不同的时间范畴。 ( 2 ) The committee members propose that the plan is postponed for a few days. 应把 is postponed 改为 be postponed .这是虚拟语气在宾语从句中的应用。像 propose 这类词,如: request, advise, prefer, urge, order, insist, desire, move, recommend, suggest, demand, require, determine 等若出现在主句里,其从句中的谓语动词一定要用虚拟语气即( should ) + 动词原形,表示要求、建议、命令、提议、意愿等。if you had worked hard,you would get higher marks如果没有明确的时间状语,可以根据语境而定。如这个句子,很明显是在说过去要是认真点,现在就不会分数低。从句与过去事实相反,谓语用 had done;主句与现在事实相反谓语用 would do。

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