Past tense with -ing: I was doing it, I was waiting. Whenever you have -ing preceded by ‘was’ or ‘were’, it’s the past tense with -ing.
explanation
The w-ing tense: to express was/were + -ing you use -aba on the -ar track.
explanation
I was waiting
esperaba
I was speaking
hablaba
I was buying it.
Lo compraba.
I was preparing it.
Lo preparaba.
On the other track (-er/-ir), you use -ía.
explanation
I was leaving
salía
I was eating
comía
I was doing it.
Lo hacía.
I was selling it.
Lo vendía.
He was preparing it.
Lo preparaba.
You were preparing it. (señor)
Lo preparaba
You were preparing it. (Roberto)
Lo preparabas.
They were preparing it.
Lo preparaban.
I was doing it.
Lo hacía.
He was doing it.
Lo hacía.
You were doing it. (Roberto)
Lo hacías.
They were doing it.
Lo hacían.
He was telling me.
Me decía.
I have not understood what you were saying.
No he entendido lo que decía.
