В вопросительную и отрицательную форму . the  musicians are  performing. mary  is  drinking  cola.  the   clowns  are  holding  balloons, i m taking  pictures of  my   friends, you re feeling tired                              ...

Are the  musicians  performing ?   the  musicians aren't  performing.   Is Mary drinking cola?   Mary isn't drinking cola.   Are the clowns holding balloons?   The clowns aren't holding balloons.   Are you taking pictures of your friends ?  You aren"t taking pictures of your friends.  (здесь вопрос задал к  YOU потому что нельзя задавать вопрос самому себе)   Are you feeling tired ?  You aren't feeling tired

Are the musicians performed.? Is mary drunk cola? Are the clowns holded balloons? Am I take pictures of my friends? Are you feel tired?  The musicians are njt performing. Mary is not drinking cola. The clowns are not holding balloons. I am not taking pictures of my friends . You are not feeling tired.