1.They always olay football in the playground.
否定句：They don't always play football in the playground.
一般疑问句：Do they always play ...
肯定回答：Yes ,they do.
否定回答：No,they don't.
2.She waters the flowers.
否定句：She doesn't water the flowers.
一般疑问句：Does she water the flowers?
肯定回答：Yes,she does.
否定回答：No,she doesn't.
3.We are middle school students.
否定句：We are not middle school students.
一般疑问句：Are you middle ...
肯定回答：Yes,we are.
否定回答：No,we are not.
4.I am keen on sports.
否定句：I am not keen on sports.
一般疑问句：Are you keen on sports?
肯定回答：Yes,i am.
否定回答：No,i am not.
5.It rains a lot in England.
否定句：It doesn't rain a lot in England.
一般疑问句：Does it rain a lot in England?
肯定回答：Yes ,it does.
否定回答：No,it doesn't.