求过去式did的用法,
1个回答

did 是一个助动词,也是do的过去式,请看下面的例句:

1.A:Did you go to the park yesterday?作天你是不是去公园了?

B:Yes,I did.(No,I did not) 是的,我去了.( 没有,我没去.)

2.I did a lot of work last night.昨晚我做了许多工作.