I   well  talk about  the  tag question  
if the sentence contain another   apposittive we  could change to  negative
and if the sentence conain anegative we could change to apposittive   etc.....
 Here  i  would to give you another example  of the part of all  the sentence
 The  example one talk about easy   verb in the sentence  
1-Ali   is   aclever   ..........?
The ansewr   is    isnt he  
Ali  isnt  aclever   .......?
Is he  
2-  they are  playing   ..............?
arent they  
They are  not playing ..............?
are they  
 
continue  after.
ali kbash