I must callous you must callous he must callous we must callous you must callous they must callous
Forma con V-ing
I must be callousing you must be callousing he must be callousing we must be callousing you must be callousing they must be callousing
Perfecto
I must have calloused you must have calloused he must have calloused we must have calloused you must have calloused they must have calloused
Perfecto con V-ing
I must have been callousing you must have been callousing he must have been callousing we must have been callousing you must have been callousing they must have been callousing
Negación
Forma simple
I must not callous you must not callous he must not callous we must not callous you must not callous they must not callous
Forma con V-ing
I must not be callousing you must not be callousing he must not be callousing we must not be callousing you must not be callousing they must not be callousing
Perfecto
I must not have calloused you must not have calloused he must not have calloused we must not have calloused you must not have calloused they must not have calloused
Perfecto con V-ing
I must not have been callousing you must not have been callousing he must not have been callousing we must not have been callousing you must not have been callousing they must not have been callousing
Forma interrogativa
Forma simple
must I callous? must you callous? must he callous? must we callous? must you callous? must they callous?
Forma con V-ing
must I be callousing? must you be callousing? must he be callousing? must we be callousing? must you be callousing? must they be callousing?
Perfecto
must I have calloused? must you have calloused? must he have calloused? must we have calloused? must you have calloused? must they have calloused?
Perfecto con V-ing
must I have been callousing? must you have been callousing? must he have been callousing? must we have been callousing? must you have been callousing? must they have been callousing?
Forma interro-negativa
Forma simple
must I not callous? must you not callous? must he not callous? must we not callous? must you not callous? must they not callous?
Forma con V-ing
must I not be callousing? must you not be callousing? must he not be callousing? must we not be callousing? must you not be callousing? must they not be callousing?
Perfecto
must I not have calloused? must you not have calloused? must he not have calloused? must we not have calloused? must you not have calloused? must they not have calloused?
Perfecto con V-ing
must I not have been callousing? must you not have been callousing? must he not have been callousing? must we not have been callousing? must you not have been callousing? must they not have been callousing?