Be going to 的疑问句
把 be 换到主语的前面
Am I going to…?
Are you going to…?
Is he / she going to…?
Are we going to…?
Are they going to…?

I'm going to play tennis tomorrow. 
—> Am I going to play tennis tomorrow?
You're going to see your cousin next week.
—> Are you going to see your cousin next week?
He / She is going to get married in September.
—> Is he / she going to get married in September?
We're going to have a party this weekend.
—> Are we going to have a party this weekend?
They are going to save up for a new car.
—> Are they going to save up for a new car?

简短回答
Yes I am. / No I'm not.
Yes you are. / No you aren't (或 No you're not.)
Yes he/she is. / No he/she isn't.
Yes we are. / No we aren't. (或 No we're not.)
Yes they are. / No they aren't. (或 No they're not.)

否定形式
I am not going to leave my job.
我不打算辞职。
leave my job 辞职
You aren't going to visit your cousin this week.
这个星期你不打算去看表姐/哥/弟/妹。
He / She isn't going to get married.
他/她不打算结婚。
We aren't going to move house.
我们不打算搬家。
They aren't going to study at university.
他们不打算在大学学习。