1)We have not walking in the mountains.
2) Beatrice has not teaching in Boston.
3) Ricky has not washing the car.
4) She has not writing a poem.
5) We have not drinking tea.
6) We have not cleaning our rooms.
7) The children have not sleeping on the floor.
8) Jeff and Linda have not cycling.
9) Christine has not decorating her home.
10) The cat has not lying on the chair all day.