If it rains for some more time,---------------
Athey would open the shutters of the dam.
Bthey will open the shutters of the dam.
Cthey would be open the shutters of the dam.
Dthey will be opened the shutters of the dam.
Athey would open the shutters of the dam.
Bthey will open the shutters of the dam.
Cthey would be open the shutters of the dam.
Dthey will be opened the shutters of the dam.