Popraw błędy w zdaniach. Niektóre zdania są poprawne (Future Simple, Future Continous, Future Perfect, Future Perfect Continous):

1. I promise I am giving up smoking by the end of this year.
2. We don't know. Perhaps, the doctor will have arrived soon.
3. At eleven o' clock, the boys will have been watching TV for five hours.
4. Frank's busy on Monday. He is helping us.
5. You can't talk to him now. He will give a lecture in a while.
6. Frank's busy on Monday. He is helping us.