I must gaff you must gaff he must gaff we must gaff you must gaff they must gaff
Forma con V-ing
I must be gaffing you must be gaffing he must be gaffing we must be gaffing you must be gaffing they must be gaffing
Perfecto
I must have gaffed you must have gaffed he must have gaffed we must have gaffed you must have gaffed they must have gaffed
Perfecto con V-ing
I must have been gaffing you must have been gaffing he must have been gaffing we must have been gaffing you must have been gaffing they must have been gaffing
Negación
Forma simple
I must not gaff you must not gaff he must not gaff we must not gaff you must not gaff they must not gaff
Forma con V-ing
I must not be gaffing you must not be gaffing he must not be gaffing we must not be gaffing you must not be gaffing they must not be gaffing
Perfecto
I must not have gaffed you must not have gaffed he must not have gaffed we must not have gaffed you must not have gaffed they must not have gaffed
Perfecto con V-ing
I must not have been gaffing you must not have been gaffing he must not have been gaffing we must not have been gaffing you must not have been gaffing they must not have been gaffing
Forma interrogativa
Forma simple
must I gaff? must you gaff? must he gaff? must we gaff? must you gaff? must they gaff?
Forma con V-ing
must I be gaffing? must you be gaffing? must he be gaffing? must we be gaffing? must you be gaffing? must they be gaffing?
Perfecto
must I have gaffed? must you have gaffed? must he have gaffed? must we have gaffed? must you have gaffed? must they have gaffed?
Perfecto con V-ing
must I have been gaffing? must you have been gaffing? must he have been gaffing? must we have been gaffing? must you have been gaffing? must they have been gaffing?
Forma interro-negativa
Forma simple
must I not gaff? must you not gaff? must he not gaff? must we not gaff? must you not gaff? must they not gaff?
Forma con V-ing
must I not be gaffing? must you not be gaffing? must he not be gaffing? must we not be gaffing? must you not be gaffing? must they not be gaffing?
Perfecto
must I not have gaffed? must you not have gaffed? must he not have gaffed? must we not have gaffed? must you not have gaffed? must they not have gaffed?
Perfecto con V-ing
must I not have been gaffing? must you not have been gaffing? must he not have been gaffing? must we not have been gaffing? must you not have been gaffing? must they not have been gaffing?