Look at the sentences and do the exercise.
I was very shy when I was a child.
He had a lot of homework to do every night.
We were often tired after school.
He was always late to school.
You were very polite with the guests.
She was happy when she was receiving letters.
They were very athletic in their youth.
I had a dog when I was little.
She had a beautiful stamp collection.
We were always cold in winter.
You had very nice friends.
They were afraid of the dark when they were young.