What are you having?Daming is having a birthday party. （变否定句） You can do that.（变否定句） Is she talking to her friend?（作出肯定，否定回答） I am having （an ice cream）（括号里划线提问）1.Daming isnothaving a birthday party2.You can not do that3Yes ，she is No，she is not4What are you doing?