Put in the verbs in brackets into the gap and form negative sentences in Past Progressive.
Respuestas a la pregunta
Respuestas del ejercicio a realizar:
1. She wasn't/was not eating a cheeseburger.
2. They weren't/were not painting pictures.
3. The teacher wasn't/was not opening the window.
4. Johnny wasn't/was not riding his bike.
5. We weren't/were not working on the computer.
6. Doris wasn't/was not watching the news on TV.
7. I wasn't/was not practising (or practicing) the trumpet.
8. The friends weren't/were not singing songs.
9. Steve wasn't/was not smoking a cigarette.
10. Sam and Liz weren't/were not looking at a poster.
Aclaración: A la octava oración no le encuentro mucho sentido porque no se suele emplear la estructura practise (a musical instrument), sino play (a musical instrument). De todos modos, me he reducido a responder lo que se te requiere en el ejercicio.