I must unhitch you must unhitch he must unhitch we must unhitch you must unhitch they must unhitch
Forme en V-ing
I must be unhitching you must be unhitching he must be unhitching we must be unhitching you must be unhitching they must be unhitching
Perfect
I must have unhitched you must have unhitched he must have unhitched we must have unhitched you must have unhitched they must have unhitched
Perfect en V-ing
I must have been unhitching you must have been unhitching he must have been unhitching we must have been unhitching you must have been unhitching they must have been unhitching
Négation
Forme simple
I mustn't unhitch you mustn't unhitch he mustn't unhitch we mustn't unhitch you mustn't unhitch they mustn't unhitch
Forme en V-ing
I mustn't be unhitching you mustn't be unhitching he mustn't be unhitching we mustn't be unhitching you mustn't be unhitching they mustn't be unhitching
Perfect
I mustn't have unhitched you mustn't have unhitched he mustn't have unhitched we mustn't have unhitched you mustn't have unhitched they mustn't have unhitched
Perfect en V-ing
I mustn't have been unhitching you mustn't have been unhitching he mustn't have been unhitching we mustn't have been unhitching you mustn't have been unhitching they mustn't have been unhitching
Forme interrogative
Forme simple
must I unhitch? must you unhitch? must he unhitch? must we unhitch? must you unhitch? must they unhitch?
Forme en V-ing
must I be unhitching? must you be unhitching? must he be unhitching? must we be unhitching? must you be unhitching? must they be unhitching?
Perfect
must I have unhitched? must you have unhitched? must he have unhitched? must we have unhitched? must you have unhitched? must they have unhitched?
Perfect en V-ing
must I have been unhitching? must you have been unhitching? must he have been unhitching? must we have been unhitching? must you have been unhitching? must they have been unhitching?
Forme interro-négative
Forme simple
mustn't I unhitch? mustn't you unhitch? mustn't he unhitch? mustn't we unhitch? mustn't you unhitch? mustn't they unhitch?
Forme en V-ing
mustn't I be unhitching? mustn't you be unhitching? mustn't he be unhitching? mustn't we be unhitching? mustn't you be unhitching? mustn't they be unhitching?
Perfect
mustn't I have unhitched? mustn't you have unhitched? mustn't he have unhitched? mustn't we have unhitched? mustn't you have unhitched? mustn't they have unhitched?
Perfect en V-ing
mustn't I have been unhitching? mustn't you have been unhitching? mustn't he have been unhitching? mustn't we have been unhitching? mustn't you have been unhitching? mustn't they have been unhitching?