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  司徒颗洲 2010-11-05 00:00:00

  Without your help， I would fail. (现在、将来， 同样形式） Without your help， I would have failed. (过去） fail （谓语动词）

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  昕丫0106 2010-11-05 00:00:00

  1.与现在相反的话，从句谓语用过去式，主句谓语用would+V原型。例：If i were you，i would watch a movie. 2.与过去事实相反，从句谓语用had/hadn't done，主句谓语用would/could have done或者wouldn't/could't have done。比如If you hadn't help me/without your help，i couldn't have finished my work on time. 3.与将来事实相反，从句用动词过去式或者were to+V，谓语用would + V原型。 希望可以帮到你。

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  血妖亵夜 2018-05-17 00:00:00

  1. 与现在事实相反： Without air， man couldn't exist on the earth. 没有空气的话，人类将不能在地球上生存。 谓语动词：would/could/might (not) do sth. 2. 与过去事实相反： Without your help， I would have failed the exam last week. 没有你帮助的话，我上周考试可能就通不过了。 谓语动词：would/could/might (not) have done sth. 3. 与将来事实相反： Without your ticket， I wouldn't be able to go to the concert tomorrow. 要是没有你的票的话，我明天就不能去听音乐会了。 谓语动词：would/could/might (not) do sth.

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