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if only虚拟语气形式（if only虚拟语气）

2025-10-10

1、if only 虚拟语气从句三种变化形式与现在事实相反用一般过去时态If only I were a bird.与过去事实相反用过去完成时态If only I had followed your advice yesterday.与将来事实相反用过去将来时态If only I could pass the exam next week...