Have you fed the chickens yet? Now is 1 pm. Timetable: 1:30 pm - feed the chickens
No, I haven't fed the chickens yet.
Have you cleaned the tree house yet? Now is 1 pm. Timetable: 12:53 pm - clean the tree house
Yes, I have just cleaned the tree house.
Have you fixed the rope course yet? Now is 1 pm. Timetable: 11:30 am - fix the rope course
Yes, I have already fixed the rope course.