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