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While的使用方法疑问

来源:www.huilaomo.com 2024-05-18

书上有句例句:

While John was taking photos,Mary bought a drink.

While引导时间状语从句,从句的动词一般是延续性动词,这里的take photos不是短暂动词吗,如何这么用?

take photos中的复数名词表示主语不是拍一张照片。假如只表示拍一张照片,它是短暂动词。但一个人可以不停地拍照,这里拍一张,那里把一张,拍照的动作不断重复发生,没结束,就能用进行体表示。所以这里是没问题的。

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