I must amass you must amass he must amass we must amass you must amass they must amass
Forma con V-ing
I must be amassing you must be amassing he must be amassing we must be amassing you must be amassing they must be amassing
Perfecto
I must have amassed you must have amassed he must have amassed we must have amassed you must have amassed they must have amassed
Perfecto con V-ing
I must have been amassing you must have been amassing he must have been amassing we must have been amassing you must have been amassing they must have been amassing
Negación
Forma simple
I must not amass you must not amass he must not amass we must not amass you must not amass they must not amass
Forma con V-ing
I must not be amassing you must not be amassing he must not be amassing we must not be amassing you must not be amassing they must not be amassing
Perfecto
I must not have amassed you must not have amassed he must not have amassed we must not have amassed you must not have amassed they must not have amassed
Perfecto con V-ing
I must not have been amassing you must not have been amassing he must not have been amassing we must not have been amassing you must not have been amassing they must not have been amassing
Forma interrogativa
Forma simple
must I amass? must you amass? must he amass? must we amass? must you amass? must they amass?
Forma con V-ing
must I be amassing? must you be amassing? must he be amassing? must we be amassing? must you be amassing? must they be amassing?
Perfecto
must I have amassed? must you have amassed? must he have amassed? must we have amassed? must you have amassed? must they have amassed?
Perfecto con V-ing
must I have been amassing? must you have been amassing? must he have been amassing? must we have been amassing? must you have been amassing? must they have been amassing?
Forma interro-negativa
Forma simple
must I not amass? must you not amass? must he not amass? must we not amass? must you not amass? must they not amass?
Forma con V-ing
must I not be amassing? must you not be amassing? must he not be amassing? must we not be amassing? must you not be amassing? must they not be amassing?
Perfecto
must I not have amassed? must you not have amassed? must he not have amassed? must we not have amassed? must you not have amassed? must they not have amassed?
Perfecto con V-ing
must I not have been amassing? must you not have been amassing? must he not have been amassing? must we not have been amassing? must you not have been amassing? must they not have been amassing?