I must tone you must tone she must tone we must tone you must tone they must tone
Forma com V-ing
I must be toning you must be toning she must be toning we must be toning you must be toning they must be toning
Perfeito
I must have toned you must have toned she must have toned we must have toned you must have toned they must have toned
Perfeito com V-ing
I must have been toning you must have been toning she must have been toning we must have been toning you must have been toning they must have been toning
Negação
Forma simple
I must not tone you must not tone she must not tone we must not tone you must not tone they must not tone
Forma com V-ing
I must not be toning you must not be toning she must not be toning we must not be toning you must not be toning they must not be toning
Perfeito
I must not have toned you must not have toned she must not have toned we must not have toned you must not have toned they must not have toned
Perfeito com V-ing
I must not have been toning you must not have been toning she must not have been toning we must not have been toning you must not have been toning they must not have been toning
Forma interrogativa
Forma simple
must I tone? must you tone? must she tone? must we tone? must you tone? must they tone?
Forma com V-ing
must I be toning? must you be toning? must she be toning? must we be toning? must you be toning? must they be toning?
Perfeito
must I have toned? must you have toned? must she have toned? must we have toned? must you have toned? must they have toned?
Perfeito com V-ing
must I have been toning? must you have been toning? must she have been toning? must we have been toning? must you have been toning? must they have been toning?
Forma interro-Negação
Forma simple
must I not tone? must you not tone? must she not tone? must we not tone? must you not tone? must they not tone?
Forma com V-ing
must I not be toning? must you not be toning? must she not be toning? must we not be toning? must you not be toning? must they not be toning?
Perfeito
must I not have toned? must you not have toned? must she not have toned? must we not have toned? must you not have toned? must they not have toned?
Perfeito com V-ing
must I not have been toning? must you not have been toning? must she not have been toning? must we not have been toning? must you not have been toning? must they not have been toning?