助动词 “do”
 do, neg. don't, he does, neg. doesn't, past did, neg. didn't
- 构成一个问题
 - 将下面的动词变成否定形式。
I do not want to leave early.
 - 的确(用于强调句子)
I really do appreciate your help.
 - 做(代替前文提到的动词以避免重复)
She likes to swim, and I do too.
 
动词 “do”
 不定式 do; 三单 does; 过式 did; 过分 done; 动名 doing
- 做
If you want something done, do it yourself.
 - 在(用于特定原因的地方)
What are you doing here so late?
 - 够(用于表示足够或充分)
This old chair will do for now.
 - 导致
A good night's sleep did me a lot of good.
 - 过得
How's your new job doing?
 - 从事
What do you do for a living?
 - 坐牢
He did two years for burglary.
 - 模仿
He does a really great George Bush.
 - 发生性关系
They went upstairs to do it.
 - 提供
This bakery doesn't do wedding cakes.
 - 吸毒
He got caught doing drugs.
 
名词 “do”
- 聚会
Are you going to their do this weekend?
 
名词 “do”
- 多(唱名)
In the song, the melody starts with 'do'.