I'm having a birthday party为什么改为一般疑问句后 变为

I'm having a birthday party为什么改为一般疑问句后 变为 I'll have a birthday party变为一般疑问句 Mary has a birthday party every year(改为一般疑问句) The twins often have a birthday party.改为一般疑问句 改为一般疑问句：We have a birthday party. I would like to invite you to our birthday party.变为一般疑问句怎么变 I may invite you to come to our birthday party.（改为一般疑问句） I can go to my cousin's fifth birthday party.(改为一般疑问句） Li Ling said she was having a party for her mother(改为一般疑问句） I'm a student.改为一般疑问句 We have a birthday party in the evening改为一般疑问句 jeff has a birthday party today改为一般疑问句、否定回答