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 fax him a reply?
你发传真回复他了吗？
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。
You were right to do what you did, under the circumstances
在这种情况下，你做的是对的。
'I went' in the negative is 'I did not go'.
Iwent（我去了）的否定式是Ididnotgo（我没去）。
Sorry! Did I step on your foot?
对不起！我踩你脚了吧？
Did you get that cheque I sent?
你收到我寄给你的那张支票了吗？
What I did was right and if I had done anything less it would have been wrong
我做的一切都是正确的，如果我少做了一点点，就会出错。
Did you speak at the meeting?
你在会上发言了吗？
What Jeff did was to anticipate my next question
杰夫预先回答了我的下一个问题。
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。