Respuesta:
(-)The dog isn't sleeping on the sofa
(?) Is the dog sleeping on the sofa?
(-)My sister isn't reading a book
(?)Is my sister reading a book?
(-)My mum isn't drinking coffee
(?)Is my mum drinking coffee?
(-)You aren't walking in the street
(?)Are you walking in the street?
(-) I'm not watching a movie
(?)Am I watching a movie?
(-)They aren't doing exercises
(?)Are they doing exercises?
Explicación:
Espero que te ayude
