第1个回答 2016-03-23
1.I played football last Sunday
I didn't play football last Sunday.
Did you play football last Sunday?
2.They cleaned the classroom yesterday.
They didn't clean the classroom yesterday.
Did they clean the classroom yesterday?
3.Mike watched TV yesterday evening.
Mike didn't watch TV yesterday evening.
Did Mike watch TV yesterday evening?
主系表
1.I was at school yesterday.
I wasn't at school yesterday.
Were you at school yesterday?
2.They were in Grade One last year.
They weren't in Grade One last year.
Were they in Grade One last year?
3.Mary was an English girl.
Mary was not an English girl.
Was Mary an English girl?本回答被网友采纳