She started ice skating when she was four.为啥要用skating?

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She started ice skating when she was four.为啥要用skating?

She started ice skating when she was four.为啥要用skating?
She started ice skating when she was four.为啥要用skating?

She started ice skating when she was four.为啥要用skating?
skate 是动词,英语中一个句子只有一个主语,谓语和宾语,这里主语是she,谓语是started,宾语是ice skating ,如果不用skating 而是原型skate 的话,相当于一个句子里面有两个动词,冲突,而且前面并没有to ,所以需要将skate的动词形式转化为名词形式,加ing变成动名词形式,性质上是名词.