1. 英语：他在做什么 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?
2. “你想干什么”用英语怎么说 What do you want to do？ 你想干什么？ What are you going to do？ 你干什么去？ What's the big idea? That's my beer you're drinking. 你想干什么？你在喝我的啤酒 。
Oh, marvelous! When do you think you'll go？ 太好了！你想什么时候去？ What do you want to do after class？ 你下课以后想干什么？ What do you want to do after graduation？ 你毕业后想干什么？ Go ahead and do what you like. 去吧，你喜欢干什么就干什么 。It's no use trying to steer the boy into a course of action that suits you, he'll do whatever he pleases. 说服孩子按你的意志去做是没用的，他愿意干什么就干什么吧 。
"Do you mind telling me what exactly you are at？" “你愿不愿意告诉我，你究竟想干什么？” What do he want to be？ 他想干什么？ 。
【在干什么的英文怎么写】
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