变否定句改为一般疑问句及回答 1 i was a teacher ten years ago

你好,同学,很高兴回答你的问题 正确答案如下： 否定句：I wasn't a teacher ten years ago.They weren't brothers before.Lucy wasn't happy yesterday.I didn't sing a song at the party.He didn't play the piano.She didn't dance very well. 一般疑问句：Were you a teacher ten years ago?Yes, I was. / No, I wasn't.Were they brothers before?Yes, they were. / No, they weren't.Was Lucy happy yesterday?Yes, she was. / No, she wasn't.Did you sing a song at the party?Yes, I did. / No, I didn't.Did he play the piano?Yes, he did. / No, he didn't.Did she dance very well?Yes, she did. / No, she didn't.希望能帮到你,祝更上一层楼O(∩_∩)O
有不明白的请继续追问,可以详谈嘛(*^__^*)

1 Were you a teacher ten years ago?Yes,I was.
2 Were they brothers before?Yes,they were.
3 Was lucy happy yesterday?Yes,she was.
4 Did you sing a song at the party?Yes,I did.
5 Did he play the piano?Yes,he did.
6 Did she dance very well?Yes,she did.