I must bushwack you must bushwack he must bushwack we must bushwack you must bushwack they must bushwack
V-ing form
I must be bushwacking you must be bushwacking he must be bushwacking we must be bushwacking you must be bushwacking they must be bushwacking
Perfect
I must have bushwacked you must have bushwacked he must have bushwacked we must have bushwacked you must have bushwacked they must have bushwacked
V-ing perfect
I must have been bushwacking you must have been bushwacking he must have been bushwacking we must have been bushwacking you must have been bushwacking they must have been bushwacking
Negation
Simple form
I mustn't bushwack you mustn't bushwack he mustn't bushwack we mustn't bushwack you mustn't bushwack they mustn't bushwack
V-ing form
I mustn't be bushwacking you mustn't be bushwacking he mustn't be bushwacking we mustn't be bushwacking you mustn't be bushwacking they mustn't be bushwacking
Perfect
I mustn't have bushwacked you mustn't have bushwacked he mustn't have bushwacked we mustn't have bushwacked you mustn't have bushwacked they mustn't have bushwacked
V-ing perfect
I mustn't have been bushwacking you mustn't have been bushwacking he mustn't have been bushwacking we mustn't have been bushwacking you mustn't have been bushwacking they mustn't have been bushwacking
Interrogative form
Simple form
must I bushwack? must you bushwack? must he bushwack? must we bushwack? must you bushwack? must they bushwack?
V-ing form
must I be bushwacking? must you be bushwacking? must he be bushwacking? must we be bushwacking? must you be bushwacking? must they be bushwacking?
Perfect
must I have bushwacked? must you have bushwacked? must he have bushwacked? must we have bushwacked? must you have bushwacked? must they have bushwacked?
V-ing perfect
must I have been bushwacking? must you have been bushwacking? must he have been bushwacking? must we have been bushwacking? must you have been bushwacking? must they have been bushwacking?
Interro-negative form
Simple form
mustn't I bushwack? mustn't you bushwack? mustn't he bushwack? mustn't we bushwack? mustn't you bushwack? mustn't they bushwack?
V-ing form
mustn't I be bushwacking? mustn't you be bushwacking? mustn't he be bushwacking? mustn't we be bushwacking? mustn't you be bushwacking? mustn't they be bushwacking?
Perfect
mustn't I have bushwacked? mustn't you have bushwacked? mustn't he have bushwacked? mustn't we have bushwacked? mustn't you have bushwacked? mustn't they have bushwacked?
V-ing perfect
mustn't I have been bushwacking? mustn't you have been bushwacking? mustn't he have been bushwacking? mustn't we have been bushwacking? mustn't you have been bushwacking? mustn't they have been bushwacking?