如题所述
What is he doing? I 是第一人称用am。you 是第二人称用are。 he/ she/ it都是第三人称，全都用is。
所以是:
What am I doing?
What are you doing?
What is he/she/it doing?
另外所有的非人类的动物，物品之类的也都用is。
但是如果第三人称是非复数，比如他们，她们，或一群动物，就要用are。
所以是：
What are they doing?
What are those boys doing?
What are these dogs doing?
所以是:
What am I doing?
What are you doing?
What is he/she/it doing?
另外所有的非人类的动物，物品之类的也都用is。
但是如果第三人称是非复数，比如他们，她们，或一群动物，就要用are。
所以是：
What are they doing?
What are those boys doing?
What are these dogs doing?
温馨提示：答案为网友推荐，仅供参考
第1个回答 2016-07-20
你好，很高兴在这里回答你的问题：
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What are they doing?本回答被网友采纳
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What are they doing?本回答被网友采纳
第2个回答 2016-07-20
What are they doing?
第3个回答 2016-07-20
What are they doing
