Making Sense of Grammar
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條件句和假設句與事件真實性有何關聯?
asked Feb 21 in Questions about English Grammar by admin (19,380 points)

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「條件」是「有可能」的假設,是對「未來」抱持的希望;「假設」則是「不可能」的條件,是對「過去」的追悔。無論哪一種,討論的都是「非真實」的事件,沒有時間上可對應的實點,因此在動詞時態的標記上,必須和「真實發生」之事的標記有所區別。

未來可能出現的條件 → 以沒有特定時間的習慣式表達

If it rains tomorrow, we will cancel the outing.

違反現在的事實 → 以過去式標記

If she was a man, her life would be different.

違反過去的事實 → 以過去完成式標記

If I had known it earlier, I would not have made the same choice. 

Related question: 哪些句式可以用來表達「非事實」?

https://goo.gl/DmVz9K

answered Feb 21 by admin (19,380 points)
edited Mar 26 by admin
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