did

英 [dɪd]

美 [dɪd]

v. 做，干，办(某事); (以某种方式)做; 行动; 表现; (问询或谈论时用)进展，进行
do的过去式

复数：dids　

柯林斯词典

Did you get that cheque I sent?
你收到我寄给你的那张支票了吗？
Did you fax him a reply?
你发传真回复他了吗？
My father did leave his university to fight the Germans
我父亲确实离开了大学去和德国人打仗了。
Did you see what happened?
你看到发生什么事了吗？
What Jeff did was to anticipate my next question
杰夫预先回答了我的下一个问题。
I did eventually find what I was after.
我最终找到了我想要的东西。
I did not conceal anything from him.
我对他什么也不隐瞒。
I didn't give my name because if I did I thought you might not have come.
我没有留下我的名字，因为如果我这么做的话，我想你可能就不会来了。
How long did you stick it for?
你坚持了多久？
'I went' in the negative is 'I did not go'.
Iwent（我去了）的否定式是Ididnotgo（我没去）。