1. when you come home, I have cooked dinner for you.
2. they have washed the dishes by now.
3. he has invited her for a coffee.
4. she has left work for today.
5. you haven't finished this work by the end of the work day.
6. don't come round before 9 o'clock. I haven't got up by then.
7. they haven't arrived yet.
8. we haven't switched off the TV.
