问某人做什么，先说疑问词，再说 do 或 does，接着说人，然后是动词原形。he、she、it 用 does；I、you、we、they 用 do。疑问词可以是 where（地点）、what（事物）或 when（时间）。
问别人做什么
Amina lives in Haffenville. → Where does Amina live?
They work near the library. → Where do they work?
Mei likes apples. → What does Mei like?
Mei cooks in the evening. → When does Mei cook?
Not "Where does Amina lives? ("lives" after does)" — say "Where does Amina live? (with does, the action word is plain)". does 后面用动词原形：live，不是 "lives"。
be 动词还是动作词？
先看看这个句子。如果它已经有 is / are / am，就把那个 be 动词移到最前面：She is happy. → Is she happy? 如果它有像 work, live, read 这样的动作词，就用 do 或 does：She works. → Does she work?
She is happy. → Is she happy? (has is)
She works. → Does she work? (has an action word)
They are ready. → Are they ready? (has are)
They live here. → Do they live here? (has an action word)
Not "Is she work? (there is no be-word in "She works")" — say "Does she work? (an action word needs does)". 句子里没有 is / are / am？那就用 do 或 does，不是 be 动词。
试一试: 把 "Lars works." 变成疑问句。哪一个是对的？ (Does Lars work? / Is Lars work? / Do Lars work?) 答案: Does Lars work? — "Lars works" 里是动作词，没有 is / are / am，所以用 does：Does Lars work? "Is Lars work?" 用了句子里根本没有的 be 动词，而 "Do Lars work?" 说的是一个人，需要的是 does。
试一试: 把 "Mei is happy." 变成疑问句。哪一个是对的？ (Is Mei happy? / Does Mei happy? / Does Mei be happy?) 答案: Is Mei happy? — "Mei is happy" 已经有 be 动词 is 了，所以把它移到最前面：Is Mei happy? 这里没有动作词，所以用不上 does。
试一试: Amina works near the park. 问一问 Amina 在哪里工作。 答案: Where does Amina work? — 先说 Where，再说 does，然后是动词原形 work：Where does Amina work? does 在前面时，动词保持原形。
试一试: They live near the supermarket. 问一问他们住在哪里。 答案: Where do they live? — they 要用 do（不是 does）：Where do they live? does 留给 he、she、it 用。不管用 do 还是 does，后面的动词都保持原形。
试一试: Mei reads at eight o'clock. 问一问 Mei 什么时候看书。 答案: When does Mei read? — 先说 When，再说 does，然后是动词原形 read：When does Mei read? does 在前面时，动词保持原形。
问“怎么”
想问别人用什么方式做某事，就用 How 开头，接着是 do 或 does，然后是人，最后是动词原形。
You go to work by bus. → How do you go to work?
She travels to the office by train. → How does she travel to the office?
试一试: Farid: Hiroshi, ___ you get to school every day? Hiroshi: I walk. (How do / What time do / How often do) 答案: How do — Hiroshi 回答的是出行方式，走路去，所以疑问词是 How：How do you get to school? What time do 问的是几点，How often do 问的是次数，两个都对不上 'I walk.'
问“哪一个”
Which 是请别人从一小组已知的选项里选一个。面前真有选择的时候就用它。
You work mornings or afternoons. → Which shift do you work?
The office uses English and Spanish. → Which language do you use at work?
试一试: Interviewer: We have a morning van and an afternoon van. ___ (Which van do you want? / Where do you park the van? / What time do you drive the van?) 答案: Which van do you want? — 这里有两辆车可选：早班的和下午班的。Which van do you want? 是请应聘者从中选一辆。Where do you park the van? 问的是地点，What time do you drive the van? 问的是几点，都不是在两辆车里选。
问“几点”
问钟上的时间，就用 What time。
You start work at nine. → What time do you start work?
The shop opens at ten. → What time does the shop open?
试一试: Interviewer: ___ do you finish work? Lars: At eight o'clock. (What time / How often / Which) 答案: What time — 回答是一个钟点，eight o'clock，所以问句用 What time：What time do you finish work? How often 问的是次数，不是钟点；Which 后面要接名词，比如 Which shift，而且得有一组东西可选——这里两样都没有。
常见错误有哪些？
错误
正确
原因
Where does Amina lives? ("lives" after does)
Where does Amina live? (with does, the action word is plain)