If I hadnt stopped her, she would have jumped down. 要不是我阻止了她,她就跳下去了。(实际上我阻止了她)
unless有时可引出一个过去未曾实现的假想法情况,对前面主句进行补充说明(此时必须置于主句之后,且前面常用破折号而不用逗号)。如:
I couldnt have got to the meeting on timeunless I had caught an earlier train. 我不可能及时赶到会场,除非我赶上了较早一班火车。(事实是我没有及时到会)
此句若将unless改为if...not,则成为:
I couldnt have got there If I hadnt caught an earlier train. 如果我没赶上较早一班火车,我就不能到达那儿了。(事实是我及时到会了)
【状语从句知识点总结:unless与if…not表示否定条件时有何区别】相关文章:
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