1.We haven't laughed.
2.Rohit hasn't polished his sleeves.
3.Kartk haven't singed a song.
4.We haven't opened the box.
5.You haven't played well in the match.
6.He hasn't flied a Kate.
7.I haven't combed my hair.
8.You haven't attended the meeting.
9.Raman hasn't read the book.
10.We haven't scolded the children.
11.They haven't believed in us.
12.Danish hasn't betrayed his father.
