下列句子改为否定句、肯定句和一般疑问句,英语高手们速度了
问题描述：
下列句子改为否定句、肯定句和一般疑问句,英语高手们速度了
We are happy（改为否定句、肯定句和一般疑问句）
She goes to school at seven o`clock(改为否定句、肯定句和一般疑问句)
They play football in the afternoon(改为否定句、肯定句和一般疑问句)
肯定句不是原句。是有YES。否定句有些是用NO
答
We are happy.
Yes,we are happy.
No,we are not happy.
Are we happy?
Yes,she does go to school at seven o'clock.
No,she doesn't go to school at seven o'clock.
Does she go to school at seven o'clock?
Yes,they do play football in the afternoon.
No,they don't play football in the afternoon.
Do they play football in the afternoon?