.6
1) Bill has bought a new car this week
2)Jane has cut her hair today.
3)I have drunk coffee twice this morning.
4)My mother already has cooked supper.
5) We have had lunch recently.
6)My little sister never has played baskedball
7) I have not seen Mary today.
8)James has broken his leg lately.
9) I have never heard about it.
10) The sun has not risen yet.