句子有三种基本形式：肯定句、疑问句和否定句。

There are three forms of the sentence:affirmative, interrogative and negative.

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句子有三种形式：肯定句、否定句和疑问句。

There are three forms of the sentences affirmative, interrogative, and negative.

youdao

句子有三种形式：肯定句%、否定句和疑问句。

There are three forms of the sentences affirmative, interrogative, and negative.

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Of course, the "where" questions are very simple and you've heard them before.

当然，“where”问句非常简单，你之前肯定听说过这个用法。

Where 课堂 - SpeakingMax英语口语达人

and undoubtedly you have heard and used "who" questions many times before.

毫无疑问，你肯定已经听过并且使用过“who”问句很多回了。

Who 课堂 - SpeakingMax英语口语达人