I don’t know when the concert starts.
2. By this time tomorrow I will be sunbathing and will be doing nothing.
3. I think it will snow tomorrow.
4. I promise that mother won't be worried.
5. Will you wave to me through the window?
6. We will go to Scotland by car. By that time John will have got his driving license.
7. If you mumble the words of your answers, the teacher won't understand you.
8. When are you celebrating your birthday? Who are you going to invite?
9. We are meeting tomorrow at 6 o'clock. Will you come?
10. Look! He is bad at riding the bicycle. He is going to fall!