City University of Hong Kong CLASS CLASS
Making Sense of Grammar
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asked Dec 5, 2017 in Questions about English Grammar by admin (25,520 points)
edited Nov 4, 2020 by Ariel | 1,062 views

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英文的標點符號是配合「主從分明」、「重點在前」的原則來標記。

對英語而言,最自然的順序為先講主要事件,再講附屬條件。因此若是主要子句在前,附屬子句在後,符合正常順序,便不用加上逗號:

I decided to buy the book because it is insightful.

I would buy the book if it helps to overturn misconceptions.

但若是附屬子句在前,主要子句在後,這是反常順序,就必須使用逗號來特別標記,提示句子重點在後:

Because the book is insightful, I decided to buy it.

If the book helps overturn misconceptions, I would buy it.

answered Dec 5, 2017 by admin (25,520 points)

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