ubahlah kalimat ke present continuous tense dlm bentuk positif, negatif dan interogative

Melly and John are jumping.
(-) Melly and John are not jumping.
(?) Are Melly and John (they) jumping?

My dad is washing a car.
(-) My dad is not washing a car.
(?) Is my dad washing a car?

1 .- melh and jhon are not jumping
    ? are melh and john jumping 
2. my dad is washing a car  
    my dad is not washing a car 
    is my dad washing a car