I must callus you must callus she must callus we must callus you must callus they must callus
Forma con V-ing
I must be callusing you must be callusing she must be callusing we must be callusing you must be callusing they must be callusing
Perfecto
I must have callused you must have callused she must have callused we must have callused you must have callused they must have callused
Perfecto con V-ing
I must have been callusing you must have been callusing she must have been callusing we must have been callusing you must have been callusing they must have been callusing
Negación
Forma simple
I mustn't callus you mustn't callus she mustn't callus we mustn't callus you mustn't callus they mustn't callus
Forma con V-ing
I mustn't be callusing you mustn't be callusing she mustn't be callusing we mustn't be callusing you mustn't be callusing they mustn't be callusing
Perfecto
I mustn't have callused you mustn't have callused she mustn't have callused we mustn't have callused you mustn't have callused they mustn't have callused
Perfecto con V-ing
I mustn't have been callusing you mustn't have been callusing she mustn't have been callusing we mustn't have been callusing you mustn't have been callusing they mustn't have been callusing
Forma interrogativa
Forma simple
must I callus? must you callus? must she callus? must we callus? must you callus? must they callus?
Forma con V-ing
must I be callusing? must you be callusing? must she be callusing? must we be callusing? must you be callusing? must they be callusing?
Perfecto
must I have callused? must you have callused? must she have callused? must we have callused? must you have callused? must they have callused?
Perfecto con V-ing
must I have been callusing? must you have been callusing? must she have been callusing? must we have been callusing? must you have been callusing? must they have been callusing?
Forma interro-negativa
Forma simple
mustn't I callus? mustn't you callus? mustn't she callus? mustn't we callus? mustn't you callus? mustn't they callus?
Forma con V-ing
mustn't I be callusing? mustn't you be callusing? mustn't she be callusing? mustn't we be callusing? mustn't you be callusing? mustn't they be callusing?
Perfecto
mustn't I have callused? mustn't you have callused? mustn't she have callused? mustn't we have callused? mustn't you have callused? mustn't they have callused?
Perfecto con V-ing
mustn't I have been callusing? mustn't you have been callusing? mustn't she have been callusing? mustn't we have been callusing? mustn't you have been callusing? mustn't they have been callusing?