不会这样说的.
I won't be there, won't I?才对（我会去的,难道我不会吗?）
反义问句：
陈述句,+一个意思相反的一般疑问句（后面相同部分省略）（前否后肯,前肯后否）
如：
You are a teacher, aren't you (a teacher)?
He didn't come yesterday, did he (come yesterday)?
He must be in the classroom, isn't he (in the classroom)?