否定句：Bob isn't OK.
一般疑问句：Is Bob OK?
肯定回答：Yes,he is
否定回答：No,he isn't
》》》》》良师益友伴你行 团队为你解答《《《《《 欢迎追问,\(^o^)/~Alice is my friend变为否定句及一般疑问句并做肯否回答否定句：Alice isn't my friend一般疑问句：Is Alice your friend？肯定回答：Yes，she is否定回答：No，she isn't