City University of Hong Kong CLASS CLASS
Making Sense of Grammar
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asked Oct 27, 2020 in Questions about English Grammar by Ariel (34,480 points)
retagged Oct 29, 2020 by admin | 692 views

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过去完成式:以过去发生的某件事或时间为参考点,强调之前更早的过去事件已完成(completed by a past time)

                  Past1             Past2              Present

——————|——————|——————|————→

               homework       dinner          Speech time

                                    Reference

I had done my homework before dinner.

I had done my homework before I ate dinner.

I had done my homework before eating dinner.

——劉美君. (2012). 英文文法有道理! 重新認識英文文法觀念. 聯經.

answered Oct 27, 2020 by Ariel (34,480 points)

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