Ответ:
I wasn't yesterday.
My father was at the cinema two days ago.
Grandma and grandpa were not in the park yesterday.
Tom was very hungry last evening.
Was Peter at home yesterday?
Were they at the Zoo last week?
I was not at the shop three days ago.
Lulu and Larry were at school.
His brother John was at the theatre last night.
в данных предложениях глагол to be используется в Past Simple, так как в каждом из этих предложений есть указатели этого времени.