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1. we would be back in the hot

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1. we would be back in the hotel now if you didn't lose the map. 2.we would not come here now .if they had informed us. 请问这两个句子主句都含有now主句的时态也都一样,为什么从句的时态不一样,有什么区别吗?我觉得么1句也应该用过去完成时,地图是过去丢的,与过去事实相反,所以应该用过去完成时? If there is no air or water,we can't live If there were no water or air, man couldn't live.同样的意思一个用虚拟一个用陈述.我觉得用虚拟表达的对呀. 请根据我上面的疑问回答.禁止复制粘贴谢谢
1. we would be back in the hotel now if you didn't lose the map. 2.we would not come here now .if they had informed us.
解题思路: 真实条件句一般用于陈述语气,假设的情况可能发生。而虚拟条件句表示一种不能实现的假设。
解题过程:
1. 根据句意:如果你没有把地图丢了,我们现在就会在宾馆里了。表示与现在事实相反时,条件句中使用“一般过去时/were”,主句使用“情态动词+动词原形”。本题难在了主、从句的时间不一致上。尽管根据从句中的did体现的是过去的情况,但主句中的now决定,主句的意思是与现在事实相反的,由此可知,主从句都是对现在情况的假设。
2.If there is no air or water,we can't live.此句是真实条件句。 If there were no water or air, man couldn't live.此句是虚拟条件句。