I think you should wear jeans because they are comfortable and wearing blue will make you feel calm.在这里为什么用wearing 而不用wear?

I think you should wear jeans because they are comfortable and wearing blue will make you feel calm.在这里为什么用wearing 而不用wear?
I think you should wear jeans because they are comfortable and wearing blue will make you feel calm.
在这里为什么用wearing 而不用wear?

I think you should wear jeans because they are comfortable and wearing blue will make you feel calm.在这里为什么用wearing 而不用wear?
wearing blue will make you feel calm 可以看作一个从句
wearing blue 在这里作为名词词组 做 will make的主语 wearing在这里是动名词

因为wearing blue will make you feel calm.也是属于because引导的一个从句。这个从句有动词make 了，所以不能有wear的动词原形，否则一个句子中就有两个动词了。而这个句子需要一个主语，因此wear加ing 变成wearing，wearing blue 整体作为这个句子的主语，意为穿蓝色的衣服会让你觉得冷静。...

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因为wearing blue will make you feel calm.也是属于because引导的一个从句。这个从句有动词make 了，所以不能有wear的动词原形，否则一个句子中就有两个动词了。而这个句子需要一个主语，因此wear加ing 变成wearing，wearing blue 整体作为这个句子的主语，意为穿蓝色的衣服会让你觉得冷静。

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因为后面有了make，是动词。句子当中不能有两个动词，而且它放在句首，缺少主语，所以要把wear变成动名词，就是wearing

wearing blue动名词才能作主语，wear动词原形不能做主语