I (no estoy leyendo) a book at the moment.
She (no está durmiendo) right now.
They (no están jugando) football in the garden.
He (no está escuchando) to the radio.
We (no estamos viendo) a movie.
You (no estás haciendo) your homework very carefully.
It (no está lloviendo) today.
I (no estoy cocinando) dinner tonight.
She (no está trabajando) this week because she is on holiday.
They (no están comiendo) pizza for lunch.