1. she has still writing her article.
2. we haven’t seen her so far.
3. the grandparents have already visited their grandchildren.
4. they are sitting in the living room and talking about their trip.
5. have you ever been to africa?
6. he has all done for her. now he is going to buy the house for her.
7. the concert hasn’t begun and we are discussing our problems.
8. wait me! i haven’t taken the money.
9. i have already had the breakfast.
10. he has already had the breakfast.
