15 oraciones en past continuos con while?

- while my mom was cooking, i was studying - while i was talking, someone knocked the door - while my uncle was taking a photo, i was doing my homework - while my friends were screaming, i was quiet - while my dog was doing his needs, he was in the house - while i was cooking, my best friend was taking photos - while i was studying, my brother was bothering me - while Michelle was in the pool, i was doing the prank - while my dog was playing, i was in the bathroom - while david was kissing to her girlfriend, i was bothering him - while vanessa was singing, she was dancing - while she was dancing, the dog was barking - while i was watching videos, the power went out - while she was talking, i kissed her - while my mom was talking on the phone, i was screaming.