动词一般过去式的语法

提问:Did sb do sth?
回答:Yes/No,sb did/didn't.

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例
What did you(he she it) do lastnight(lastmonth lastyear……)?
I played the computer lastnight.
疑问词+助动词+主语+谓语+时间
主语+动词过去式+宾语+时间

一般过去时指过去做的事或过去存在的一个状态,如I was at home yesterday./ I played ping-pong last weekend.

给你介绍一下特殊疑问句与一般疑问句式的问答:
特殊疑问句:
What did you do yesterday? I did my homework.
Where did you go that day? I went to Shanghai.
When did he do it? He did it last Monday.

一般疑问句:
Did you sing a song in music class yesterday? Yes, I did.
Did he study hard when he was a child? No, he didn't.