as 引导比较状语从句的省略问题

曹老师，2022年全国英语乙卷中有这样一个句子，请您帮我分析：

Fruit juices, milk-based drinks and most alcoholic drinks are free of the tax, as are small companies manufacturing fewer than 1m litres per year.

as这部分从语法上有点分析不了，请曹老师点播！

这是as引导比较分句，作比较状语。我用简单的句子演示一下。

Mary is tall. So is her sister. so是副词，意为也。so后接操作词+另一个主语。

Mary is tall, as her sister is. as为从属关联词，引导从属句，所以前面用逗号。

Mary is tall, as is her sister. as分句可以用倒装语序，主语后移到句末。

曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 2023-06-17 10:08

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