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 (24,580 points)
retagged Oct 29, 2020 by hellomary321 | 121 views

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现在完成式:以说话时刻作为参照点,之前发生的事在“现在”之前已完成(completed by the present):

                               Past                         Present

——————|——————|——————|————→

              homework        dinner           Reference

I have done my homework (by now).

I have eaten dinner (by now).

——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 (24,580 points)

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