everyone'having a good time 为什么用aren't they 不everyone'having a good time 为什么用aren't they 不用doesn't

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everyone''havingagoodtime为什么用aren''tthey不everyone''havingagoodtime为什么用aren''tthey不用doesn''teveryone''havin

everyone'having a good time 为什么用aren't they 不everyone'having a good time 为什么用aren't they 不用doesn't
everyone'having a good time 为什么用aren't they 不
everyone'having a good time 为什么用aren't they 不用doesn't

everyone'having a good time 为什么用aren't they 不everyone'having a good time 为什么用aren't they 不用doesn't
因为动词用了ing所以前面要用be动词

因为前面是进行时态, 有be 动词
everyone's having a good time =everyone 【is having】 a good time




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祝学习进步我问的是为什么不用doesn't一般现在时的否定...

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因为前面是进行时态, 有be 动词
everyone's having a good time =everyone 【is having】 a good time




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手机提问者如果满意,请在客户端右上角评价点“满意”即可, 谢谢!
祝学习进步

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因为they是表示复数的

主句中用的是be动词,反意疑问句中应该一致。