do/does的過(guò)去式是什么怎么寫(xiě)

　　雙語(yǔ)例句：

　　1、Yes,I do.

　　是的。

　　2、'What did you do?'asked Bethany audaciously.

　　“你做了什么？”貝薩妮大膽地問(wèn)道。

　　3、I won't do it. Period.

　　我不會(huì)這么做，不要再說(shuō)了。

　　4、I didn't do it,honest.

　　我確實(shí)沒(méi)有做。

　　5、'Why don't we do something?'Davis asked plaintively.

　　戴維斯悲傷地問(wèn)道：“我們?cè)趺淳筒荒茏鳇c(diǎn)什么呢？”