The man in a hat is my father? 为什么不能用wear a hat呢？ wear a hat和 in a hat 有什么区别呢？ put it on a hat和 wear a hat的区别

Can we wear a hat in class?,we\u4e3a\u4f55\u6ca1\u6709\u53d8you

\u5e94\u8be5\u95ee\u7684\u5c31\u662f\u201c\u6211\u4eec\u662f\u5426\u53ef\u4ee5\u5728\u8bfe\u4e0a\u6234\u5e3d\u5b50\u201d\u5427\uff0c\u6240\u4ee5\u7528we

put on a hat \u201c\u5e26\u4e0a\u5e3d\u5b50\u201d\u5f3a\u8c03\u7684\u662f\u5e26\u5e3d\u5b50\u7684\u52a8\u4f5c
\u4e3e\u4f8b\uff1aHe put on a hat when he saw me. \u4ed6\u770b\u5230\u6211\u5c31\u5e26\u4e0a\u4e86\u5e3d\u5b50\u3002\uff08\u5f3a\u8c03\u4ed6\u7684\u52a8\u4f5c\uff09
wear a hat\u201c\u6234\u7740\u5e3d\u5b50\u201d\u5f62\u5bb9\u7684\u662f\u5e26\u7740\u5e3d\u5b50\u7684\u72b6\u6001
\u4e3e\u4f8b\uff1aI see him wear a hat. \u6211\u770b\u5230\u4ed6\u6234\u7740\u4e00\u9876\u5e3d\u5b50\u3002\uff08\u5f3a\u8c03\u6211\u770b\u5230\u4ed6\u65f6\u4ed6\u6b63\u6234\u7740\u5e3d\u5b50\u8fd9\u4e00\u72b6\u6001\uff0c\u81f3\u4e8e\u4ed6\u52a8\u4e86\u6ca1\u52a8\u4e0d\u77e5\u9053\uff09

因为句中已有动词is ，故不能再有动词（wear）作谓语，这里是用介词短语作后置定语，但如果改为The man wearing a hat is my father . 也可以

The man in a hat is my father.
=The man who is wearing a hat is my father.
戴帽子的那个人是我的爸爸。

解释：这个句子的主干结构是：The man is my father. in a hat 是介词短语后置作定语，修饰The man
wear a hat 是动词短语，不能直接修饰名词，要用的话可以转化成定语从句，如上第二个句子。

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