1. is jogging
(-) My father isn't jogging now
(?) Is my father jogging now?
2. are visiting
(-) We aren't visiting Huong Pagoda at the moment.
(?) Are we visiting Huong Pagoda at the moment?
3. is
(-) She isn't at school.
(?) Is she at school?
4. is going
(-) Hoa isn't going swimming now
(?) Is Hoa going swimming now?
5. are singing
(-) Listen! The birds aren't singing beautifully.
(?) Listen! Are the birds singing beautifully?
6. is watching
(-) Phong isn't watching television at present.
(?) Is Phong watching television at present?