两排猪舍的排废水图片:谁能给我讲一些过去式的句型啊？不胜感激

来源：百度文库编辑：高校问答时间：2024/04/29 07:36:10

谓语动词在肯定句中用动词过去式
如；I was in Grade 1 last yeat.
I wasn't in Grade 1 last year.
Were you in grade 1 last year?
He went to beijing last week.
He didn't go to Beijing last week.
Did you go to Beijing last year?
What did you do yesterday?
过去式有规则变化和不规则变化。
I watched TV yesterday.
Did you watch TV yesterday?
I didn't watch Tv yesterday.

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