Exercise 5. Make the sentences negative.

1. The teacher was not explaining the exercise to the pupils. 2. Amanda was not travelling around Africa at that time. 3. We were not having a music lesson at ten o'clock yesterday. 4. I was not doing the shopping yesterday. 5. Martin was not visiting his aunt at this time yesterday. 6. The girls were not preparing for the concert. 7. They were not flying to Wales at 6 o'clock yesterday.