【摘 要】
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<正> 连词 unless 在多数英汉双解及英英词典里均解释为 if...not,那么unless 和 if...not 是否可交换使用?笔者愿就此问题略抒已见。1.由 unless 引导的条件状语从句既可以
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<正> 连词 unless 在多数英汉双解及英英词典里均解释为 if...not,那么unless 和 if...not 是否可交换使用?笔者愿就此问题略抒已见。1.由 unless 引导的条件状语从句既可以是真实条件,也可为非真实条件。作为真实条件句,unless 通常相当于 if...not,即在表示(现在或将来)可能发生的条件句的否定式中,if...not 和 unless 可交换使用,且其意义无明显差别:
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