Question

convertir estas oraciones a pasado
I was using my mobile phone
You were listening to music
He was eating a sandwich
She was laughing
We were watching TV
They were swimming
ayudenme

Answer 1

entiendo que quieres pasarlas de pasado continuo a pasado simple
i used my mobile phone
you listened to music
he ate a sandwich
she laughed
we watched tv
they swam