The key to exercise solutions in chapter Past tenses - Review for the textbook Focus 4 (2nd edition) - Workbook with authors Daniel Brayshaw from Pearson Education
Question
Make sentences and questions using an appropriate past tense.
Answer
I didn’t know how to make a cake when I was ten.
Was it raining when you were going to school?
By the time we arrived at the party, everyone had already left.