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英语
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who bought a new bike yesterday?疑问句中动词不是用原型嘛?为什么这里用bought而不是buy?
人气:418 ℃ 时间:2019-10-19 21:50:55
解答
因为主语就是who所以不需要助动词,所以就是不用动词原形啦
如果:When did you buy a new bike 这里主语不是疑问词,所以需要助动词,所以就是动词原形了
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