We often were taking the bus
We were often taking the bus
Was she drive her car?
Was she driving her car?
They were sing a song
They were singing a song
I were studying English yesterday evening
I was studying English yesterday evening
She was playing volleyball
Correct!
While I took a shower, the telephone rang
The telephone rang while I was taking a shower
You were working in an office?
Were you working in an office?
We were learning English
Correct!
I arrived at my friend´s house while he talked on the phone
I arrived at my friend´s house while he was talking on the phone
He was going on a date
Correct!