I must unhitch you must unhitch she must unhitch we must unhitch you must unhitch they must unhitch
Forme en V-ing
I must be unhitching you must be unhitching she must be unhitching we must be unhitching you must be unhitching they must be unhitching
Perfect
I must have unhitched you must have unhitched she 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 she 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 she 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 she 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 she 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 she 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 she unhitch? must we unhitch? must you unhitch? must they unhitch?
Forme en V-ing
must I be unhitching? must you be unhitching? must she be unhitching? must we be unhitching? must you be unhitching? must they be unhitching?
Perfect
must I have unhitched? must you have unhitched? must she 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 she 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 she 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 she 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 she 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 she have been unhitching? mustn't we have been unhitching? mustn't you have been unhitching? mustn't they have been unhitching?