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