She doesn't run as fast as before.的说法对吗

这个句子是否是正确的？还是She doesn't run as fast as she used to do. 呢？

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分类：句式分析

最佳答案 2020-01-19 23:29

She doesn't run as fast as before.

She doesn't run as fast as she used to.

二句都是正确的。第二句used to为情态动词，具有替代作用，故do或run省略更好。

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曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 1秒前

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望落提出于 2019-09-12 00:19