1)is A dirty car near my house?
A dirty car is near my house, isn't it?
what is near my house?
Is a dirty car is near my house or near the school?
2)Are our girls the best in the world.?
Are our girls or our boys the best in the world.?
Our girls are the best in the world, aren't they?
Who are the best in the world.?
3)Am U a future programmer?
I am a future programmer, am I not?
Am I a future programmer or a scientist?
Who is a future programmer?
4)Is there a man in the street?
There is a man in the street,isn't he?
Who is in the street?
Is there a man or a woman in the street.?