1、肯、否定句
I am（not）
You are（not） going to visit the zoo.
He（She） is（not）
We are（not）
You are（not） going to visit the zoo.
They are（not）
2、一般疑问句及肯、否定回答
Am I going to play ?
Yes, you are.
No, you aren't.
Are you going to play?
Yes, I am.
No, I'm not.
Is he （she，it）going to play?
Yes, he （she，it）is.
No, he （she，it）isn't.
Are we going to play?
Yes, we （you） are.
No, we （you） aren't.
Are you going to play?
Yes, we are.
No, we aren't.
Are they going to play?
Yes, they are.
No, they aren't.