说明︰将 have（has）提到句首，即构成的疑问式。 Have you had your lunch? 你已吃过午饭吗？ Has she ever written a letter …
Learn how to use "Did You" and "Have You" to ask questions in English. "Did You" is for past actions or events, while …
本文介绍了 have 作为表示状态、必须、动作等意义时的用法规则和注意事项，以及有关否定式、疑问式、缩略式等的用法。本文与查 …
更多内容请点击：Have you + V-ed ...? 句型结构分析语法讲解：句子成分 ...