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