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