1. What have you learned for today? — I am sorry, I have not prepared my lesson. I was ill yesterday and did not know what to do. I will prepare my lesson tomorrow. — If you do not prepare your lesson tomorrow, you will get a bad mark.
2. What were you doing at five o'clock yesterday?
3. Mike always does his homework in the evening, but today he will begin doing it as soon as he comes from school, because his father has promised / promised to take him to the theatre.
4. When Mary came home, her brother was reading the book which she had brought him two days before.
5. Autumn has come. It is November now. It is getting colder, the days are getting shorter. It often rains. Soon it will be very cold.
6. When I had done my homework yesterday, I quickly ran to the yard, because my friends were waiting for me there.
7. We had a good time last summer.
It will be quicker if you use a computer.