下列句子改为否定句、肯定句和一般疑问句(过去时）英语高手们速度了

No,i was not a teacher
yes,i was a teacher
was i a teacher

no,We were not happy
yes,We were happy
were us happy

no,She did not went to school at seven o`clock
yes.She went to school at seven o`clock
did She go to school at seven o`clock

no,They did not play football in the afternoon
yes,They played football in the afternoon
did They play football in the afternoon

1. I am not a teacher. I am a reacher. were I a teacher?

2. We are not happy. We are happy. Were we happy?

3. She does not go to school at seven o'clock. She goes to school at seven o'clock. Did she go to school at seven o'clock?

4.They do not play footbal in the afternoon. They play football in the afternoon? Did they play the football in the afternoon?

I'm not a teacher./I'm a teacher./Were I a teacher?

We are not happy./We are happy./Were we happy?

She doesn