1. I have just had breakfast.
2. He has already had breakfast.
3. We hasn't yet had breakfast.
4. They are still
drinking tea in the dining-room.
5. I have already had
the lessons.
6. He is still
doing his lessons.
7. We had
three lessons today.
8. They have just had meeting.
9. She hasn't read
this book yet.
10. She is still reading.