Turn the following into the future perfect.Пример: 1. I "had done"

2. They had built the new school by the first of September. They will have built the new school by the first of September.
3.The teacher had looked through our exercise-books by that time. - The teacher will have looked through our exercise-books by that time.
4. We had discussed the report by four oclock in the afternoon. - We will have discussed the report by four oclock in the afternoon.
5.The pupils had read three English books by the end of the year. - The pupils will have read three English books by the end of the year.
6.I had written the composition by 9 oclock. - I will have written the composition by 9 oclock.