3 as/while时间状语从句时态与主句时态
The group of boys then decided to play a game to see who could climb to the top of the tree first. Their mothers were sitting not far away,looking on at their children as they played.
老师好! 上面的句子摘自一道完形填空真题，其中黑色字体主从复合句Their mothers were sitting not far away, looking on at their children as they played的主句谓语动词sit与时间状语从句的谓语动词play同为延续性动词，主句动作和从句动作同时进行。
感觉这道题目原题主句用过去进行时，as状语从句用过去时好像不对。
句子是否应该修改为以下形式：
1.Their mothers were sitting not far away, looking on at their children while they were playing.
2.Their mothers were sitting not for away, looking on at their children as they were playing.
3.Their mothers sat not far away, looking on at their children as they played.
最佳答案 2022-09-03 15:04
网友疑问：感觉这道题目原题主句用过去进行时，as状语从句用过去时好像不对。
解答：原句没有问题。进行时的用法常用来做生动的描述且有强调意味。问题句中作者用了were sitting 表示突出不同孩子的母亲都坐在那里观看的场景。如果用sat 当然也可以，但不如进行时生动。一般来说，作者在哪个动词用了进行时，说明他想强调某个动作及状态。我给你两个和你的例句时态用法一致的国外英语图书例句供你体会和参考：
1. 
2.
你改写的几个句子也是对的。
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其它 1 个回答
Their mothers were sitting not far away,looking on at their children as they played.
【1】Their mothers were sitting not far away.【简单句】
【2】looking on at their children as they played.【现在分词短语】
【3】as they played.【修饰现在分词短语looking on at their children 时间状语从句】
首先要搞清楚以上【1】/【2】/【3】之间修饰关系
备注(1):【2】是【1】的“方式/伴随”状语，修饰谓语动词were sitting
备注(2):【3】是【2】的“时间状语”修饰现在分词looking on
备注(3):【3】和【2】持续时间是相等的，【1】的时间大于或者等于【3】和【2】持续时间长度。
【1】Their mothers were sitting not far away, looking on at their children while they were playing.【正确】
【2】Their mothers were sitting not for away, looking on at their children as they were playing.【正确】
【3】Their mothers sat not far away, looking on at their children as they played.【正确】
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