Does she practice playing guitar every day play为什么不用原形?如；Doe

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/27 02:46:17

Does she practice playing guitar every day play为什么不用原形?如；Does she have apple?
have用了原形.
何时in+the+.,何时in+.

前一个句子中practice是谓语动词,practice doing sth是固定搭配.
而后一个句子中have是谓语动词,does是助动词,have应为原型.
而关于用the的问题,the是定冠词,要看是不是特指.还要注意许多固定搭配,要识记.
再问：助动词Does+的动词原形是practice，practice doing sth，是固定搭配，doing sth与Does没关系，可以这样理解吗？practice doing sth中的doing做的是什么词，为什么要加ing？
再答：可以这样理解。practice doing sth是固定搭配，就像want to do sth一样，是固定的，不能用want doing.

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