What were you eating for dinner yesterday?
I was eating...
What was your neighbor doing last time you saw them?
He/she was...
What were you dreaming about last night?
I was dreaming about...
What were people doing in the park when you visited?
They were...
What was your teacher explaining in class last week?
She was explaining...
What was the dog doing when I arrived?
He was...
What was your mom cooking in the kitchen this morning?
She was cooking...
What were your parents doing while you were studying?
They were...
What were you wearing the day of your birthday party?
I was wearing...
What were you doing at 8 p.m. yesterday?
I was...
What were your friends doing when you arrived at school last monday?
They were...