I must bitter you must bitter she must bitter we must bitter you must bitter they must bitter
Forma con V-ing
I must be bittering you must be bittering she must be bittering we must be bittering you must be bittering they must be bittering
Perfecto
I must have bittered you must have bittered she must have bittered we must have bittered you must have bittered they must have bittered
Perfecto con V-ing
I must have been bittering you must have been bittering she must have been bittering we must have been bittering you must have been bittering they must have been bittering
Negación
Forma simple
I must not bitter you must not bitter she must not bitter we must not bitter you must not bitter they must not bitter
Forma con V-ing
I must not be bittering you must not be bittering she must not be bittering we must not be bittering you must not be bittering they must not be bittering
Perfecto
I must not have bittered you must not have bittered she must not have bittered we must not have bittered you must not have bittered they must not have bittered
Perfecto con V-ing
I must not have been bittering you must not have been bittering she must not have been bittering we must not have been bittering you must not have been bittering they must not have been bittering
Forma interrogativa
Forma simple
must I bitter? must you bitter? must she bitter? must we bitter? must you bitter? must they bitter?
Forma con V-ing
must I be bittering? must you be bittering? must she be bittering? must we be bittering? must you be bittering? must they be bittering?
Perfecto
must I have bittered? must you have bittered? must she have bittered? must we have bittered? must you have bittered? must they have bittered?
Perfecto con V-ing
must I have been bittering? must you have been bittering? must she have been bittering? must we have been bittering? must you have been bittering? must they have been bittering?
Forma interro-negativa
Forma simple
must I not bitter? must you not bitter? must she not bitter? must we not bitter? must you not bitter? must they not bitter?
Forma con V-ing
must I not be bittering? must you not be bittering? must she not be bittering? must we not be bittering? must you not be bittering? must they not be bittering?
Perfecto
must I not have bittered? must you not have bittered? must she not have bittered? must we not have bittered? must you not have bittered? must they not have bittered?
Perfecto con V-ing
must I not have been bittering? must you not have been bittering? must she not have been bittering? must we not have been bittering? must you not have been bittering? must they not have been bittering?