Tolong dijawab ya kak, butuh bgt buat besok dikumpulkanChange the sentences below into the correct forms based on the signs given. Make other changes if necessary.

1. It has rained since this afternoon.
(-) :

2. The baby has cried in her bed room for long time.
(?) :

3. We have not decided to join in the camping activity yet.
(+) :

4. The TV station has already broadcasted the talk show since two years ago.
(?) :

5. Has the woman waited for the bus for long time?
(-) :

6. Have the people gathered in the field since two hours ago?
(-) :

7. The passengers have not boarded to the plane yet.
(+) :

8. Has the stewardess told how to wear the seat belt yet?
(+) :

9. The volcano has erupted for many times along this year.
(?) :

10. The students have already understood the lesson well.
(?) :​