how often (does) she stay up late?Does she (stay) up late?为什么第一个句子 (does)用第三人称单数形how often (does) she stay up late?Does she (stay) up late?为什么第一个句子 (does)用第三人称单数形式,第二个句子 (stay)用原形

问题描述:

how often (does) she stay up late?Does she (stay) up late?为什么第一个句子 (does)用第三人称单数形
how often (does) she stay up late?
Does she (stay) up late?
为什么第一个句子 (does)用第三人称单数形式,第二个句子 (stay)用原形

第一句是特殊疑问句,格式是 特殊疑问词+一般疑问句,因而does其实是后半句的助动词,用来提问。在一般疑问句中,用助动词提问后,后面的动词就用原形。

how often (does) she stay up late?Does she (stay) up late?为什么第一个句子 (does)用第三人称单数形式,第二个句子 (stay)用原形回答如下:(1)第一句为特殊疑问句:特殊疑问句格式:特殊疑问词+一般疑问句+主语...