1 She is still typing her article.
2 We haven't seen her for ages.
3 Grandparents have already visited their grandchildren.
4 Now they are sitting in the living room and talking about their trip.
5 Have you ever been to Africa?
6 He has done everything for her. Now he is going to buy her a house.
7 The concert has not started yet, and we are sitting in the hall and discussing
our problems.
8 Wait for me! I haven't taken money yet.
9 I have just had breakfast.
10 He has already had breakfast.