What was she doing at quarter past five yesterday?
She was riding a bike.
What were you doing at quarter past five yesterday?
We were flying kites.
What was your mother doing at half past ten last night?
She was cooking.
What were they doing at half past four yesterday?
They were playing football.
What were you doing at half past six yesterday?
I was reading a book.
What was he doing at ten o'clock yesterday?
He was climbing a tree.