判断一下这里的can是表示虚拟语气还是推测I can't do that without you.I don't think I could have done it without you.我觉得第二个是虚拟语气,第一个表示否定推测也可以,不一定是虚拟语气吧?
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![判断一下这里的can是表示虚拟语气还是推测I can't do that without you.I don't think I could have done it without you.我觉得第二个是虚拟语气,第一个表示否定推测也可以,不一定是虚拟语气吧?](/uploads/image/z/11874406-22-6.jpg?t=%E5%88%A4%E6%96%AD%E4%B8%80%E4%B8%8B%E8%BF%99%E9%87%8C%E7%9A%84can%E6%98%AF%E8%A1%A8%E7%A4%BA%E8%99%9A%E6%8B%9F%E8%AF%AD%E6%B0%94%E8%BF%98%E6%98%AF%E6%8E%A8%E6%B5%8BI+can%27t+do+that+without+you.I+don%27t+think+I+could+have+done+it+without+you.%E6%88%91%E8%A7%89%E5%BE%97%E7%AC%AC%E4%BA%8C%E4%B8%AA%E6%98%AF%E8%99%9A%E6%8B%9F%E8%AF%AD%E6%B0%94%2C%E7%AC%AC%E4%B8%80%E4%B8%AA%E8%A1%A8%E7%A4%BA%E5%90%A6%E5%AE%9A%E6%8E%A8%E6%B5%8B%E4%B9%9F%E5%8F%AF%E4%BB%A5%2C%E4%B8%8D%E4%B8%80%E5%AE%9A%E6%98%AF%E8%99%9A%E6%8B%9F%E8%AF%AD%E6%B0%94%E5%90%A7%3F)
判断一下这里的can是表示虚拟语气还是推测I can't do that without you.I don't think I could have done it without you.我觉得第二个是虚拟语气,第一个表示否定推测也可以,不一定是虚拟语气吧?
判断一下这里的can是表示虚拟语气还是推测
I can't do that without you.
I don't think I could have done it without you.
我觉得第二个是虚拟语气,第一个表示否定推测也可以,不一定是虚拟语气吧?
判断一下这里的can是表示虚拟语气还是推测I can't do that without you.I don't think I could have done it without you.我觉得第二个是虚拟语气,第一个表示否定推测也可以,不一定是虚拟语气吧?
I can't do that without you
表示不能.意思是 没有你,我做不了那件事.
表示的是能不能.不是虚拟语气
I don't think I could have done it without you.
否定前置,转换下市:Ithink I cound not have dont it without you.
我想,没有你,我做不成那件事.
虚拟语气用来表示说话人的主观愿望或假想,而不表示客观存在的事实,所说的是一个条件,不一定是事实,或与事实相反.
第二个是虚拟句,是一种假想,不是客观存在的事实
第一个表示某种能力,属情态动词基本用法
第二个是对过去的推测。could have done常翻译为:过去本可能,而这里还体现了否定转移
第一个表能力,第二个表推测。
本质上来说虚拟语气也是推测的一种
虚拟语气规则:
1、对现在的虚拟,用过去时:I wish I could do it without you.
2、对过去的虚拟,用过去完成时:I couldn't have done it without you yesterday.
3、对将来的虚拟,用过去时或过去将来时:I couldn't do it without yo...
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本质上来说虚拟语气也是推测的一种
虚拟语气规则:
1、对现在的虚拟,用过去时:I wish I could do it without you.
2、对过去的虚拟,用过去完成时:I couldn't have done it without you yesterday.
3、对将来的虚拟,用过去时或过去将来时:I couldn't do it without you tomorrow.
虚拟条件句公式(从1、2、3推导出来):
1)对现在的虚拟:从句过去时,主句过去将来时 if...did,...would do
2)对过去的虚拟:从句过去完成时,主句过去将来完成时if...had done,...would have done
3)对将来的虚拟:从句过去时或过去将来时,主句过去将来时if...did,...would do或if ...should do,...would do
表示推测的公式:
1、对现在的推测:肯定,must be;否定,can't be
2、对过去的推测:肯定,must have done;否定couldn't have done
题中第一句:是否定句,不是虚拟语气。
题中第二句:是对过去的推测,是couldn't have done 的变体
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第一个不是虚拟句,without也可以表示虚拟条件,但这里主句用的是一般式can't。若改为without you, i couldn't have done it 就是虚拟语气了,意为要是没有你的话,我就不能把这件事做完。
第二句是对过去的虚拟