I must snowball you must snowball he must snowball we must snowball you must snowball they must snowball
Forma con V-ing
I must be snowballing you must be snowballing he must be snowballing we must be snowballing you must be snowballing they must be snowballing
Perfecto
I must have snowballed you must have snowballed he must have snowballed we must have snowballed you must have snowballed they must have snowballed
Perfecto con V-ing
I must have been snowballing you must have been snowballing he must have been snowballing we must have been snowballing you must have been snowballing they must have been snowballing
Negación
Forma simple
I must not snowball you must not snowball he must not snowball we must not snowball you must not snowball they must not snowball
Forma con V-ing
I must not be snowballing you must not be snowballing he must not be snowballing we must not be snowballing you must not be snowballing they must not be snowballing
Perfecto
I must not have snowballed you must not have snowballed he must not have snowballed we must not have snowballed you must not have snowballed they must not have snowballed
Perfecto con V-ing
I must not have been snowballing you must not have been snowballing he must not have been snowballing we must not have been snowballing you must not have been snowballing they must not have been snowballing
Forma interrogativa
Forma simple
must I snowball? must you snowball? must he snowball? must we snowball? must you snowball? must they snowball?
Forma con V-ing
must I be snowballing? must you be snowballing? must he be snowballing? must we be snowballing? must you be snowballing? must they be snowballing?
Perfecto
must I have snowballed? must you have snowballed? must he have snowballed? must we have snowballed? must you have snowballed? must they have snowballed?
Perfecto con V-ing
must I have been snowballing? must you have been snowballing? must he have been snowballing? must we have been snowballing? must you have been snowballing? must they have been snowballing?
Forma interro-negativa
Forma simple
must I not snowball? must you not snowball? must he not snowball? must we not snowball? must you not snowball? must they not snowball?
Forma con V-ing
must I not be snowballing? must you not be snowballing? must he not be snowballing? must we not be snowballing? must you not be snowballing? must they not be snowballing?
Perfecto
must I not have snowballed? must you not have snowballed? must he not have snowballed? must we not have snowballed? must you not have snowballed? must they not have snowballed?
Perfecto con V-ing
must I not have been snowballing? must you not have been snowballing? must he not have been snowballing? must we not have been snowballing? must you not have been snowballing? must they not have been snowballing?