do：
aux.构成疑问句和否定句; 代替动词; 用于加强语气;
vt.做; 干; 进行; 从事;
vi.表现; 进展; 引起; 行过;
n.社交聚会; 社交活动; 宴会;
复数：dos 过去式：did 现在分词：doing 过去分词：done 第三人称单数：does
[例句]Why did you do that?
你为什么要那样做?
What did you do?
你到底做了什么?
does
conj.做，有用，工作;
v.做( do的第三人称单数 ); 干; 学习; 研究;
n.雌鹿(或雌兔、雌羚羊等)( doe的名词复数 );
例句:
What does he mean?
他说的是什么意思啊?
Does she work here?
她是不是在这儿工作?
助动词(do,does)的用法
1)当句子为肯定句时不涉及使用助动词，只涉及“主谓一致”原则。
2)当句子为否定句时，要根据主语的人称来决定使用相应的助动词：
与单词：does 相关的例句或者名人名言
N-UNCOUNT. 不锈钢. Stainless steel is a metal made from steel and chromium which does not rust.
Where does the door lead to?
这扇门通向哪里？
What kind of cuisine does this restaurant serve?
这家饭店提供哪种菜肴？
He does not know how to swim.
他不知道怎么游泳。
How long does it take?
要花多久时间？
※He alone is poor who does not possess knowledge. 没有知识，才是贫穷。
※Who undertakes many things at once, seldom does anything well. 许多事情同时干，一件事也办不成。
※Work bears witness who does well. 工作能证明谁人做得好。
※A wanderer who is determined to reach his destination does not fear the rain. 决心赶到目的地，浪汉何惧雨来淋。
