No, it isn't./Yes, it is.
My name is.....(свое имя)
No, I am not. I'am a student./Yes, i am
No, She isn't. /Yes she is
No,she isn't/Yes she is.
I don't have a wife./I have wife. Her name is ....(имя)
I dont have son/Yes he is. He is a schoolboy.
He studies in primary/secondary/high school
No he isnt / Yes he is