The Present Continuous  Tense. Interrogative Structure (if/yes? . if/no?.  Wh?'s):(+) Am/ Is /Are + subjet + verb (ing) + ?
   R: Yes, (I, you, he/she/it , we ,they) + am/is/are .  

(-) Am/ Is /Are + not + subjet + verb (ing) + ?

   R: No, (I, you, he/she/it , we ,they) + am/is/are + not.

(Wh?'s)

Wh + am/is/are + subjet + verb(ing) + ?