masculino | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
Conjugación del verbo inglés MUST DO
Verbo irregular: do - did - done
Afirmación
Forma simple
I must doyou must do
she must do
we must do
you must do
they must do
Forma con V-ing
I must be doingyou must be doing
she must be doing
we must be doing
you must be doing
they must be doing
Perfecto
I must have doneyou must have done
she must have done
we must have done
you must have done
they must have done
Perfecto con V-ing
I must have been doingyou must have been doing
she must have been doing
we must have been doing
you must have been doing
they must have been doing
Negación
Forma simple
I mustn't doyou mustn't do
she mustn't do
we mustn't do
you mustn't do
they mustn't do
Forma con V-ing
I mustn't be doingyou mustn't be doing
she mustn't be doing
we mustn't be doing
you mustn't be doing
they mustn't be doing
Perfecto
I mustn't have doneyou mustn't have done
she mustn't have done
we mustn't have done
you mustn't have done
they mustn't have done
Perfecto con V-ing
I mustn't have been doingyou mustn't have been doing
she mustn't have been doing
we mustn't have been doing
you mustn't have been doing
they mustn't have been doing
Forma interrogativa
Forma simple
must I do?must you do?
must she do?
must we do?
must you do?
must they do?
Forma con V-ing
must I be doing?must you be doing?
must she be doing?
must we be doing?
must you be doing?
must they be doing?
Perfecto
must I have done?must you have done?
must she have done?
must we have done?
must you have done?
must they have done?
Perfecto con V-ing
must I have been doing?must you have been doing?
must she have been doing?
must we have been doing?
must you have been doing?
must they have been doing?
Forma interro-negativa
Forma simple
mustn't I do?mustn't you do?
mustn't she do?
mustn't we do?
mustn't you do?
mustn't they do?
Forma con V-ing
mustn't I be doing?mustn't you be doing?
mustn't she be doing?
mustn't we be doing?
mustn't you be doing?
mustn't they be doing?
Perfecto
mustn't I have done?mustn't you have done?
mustn't she have done?
mustn't we have done?
mustn't you have done?
mustn't they have done?
Perfecto con V-ing
mustn't I have been doing?mustn't you have been doing?
mustn't she have been doing?
mustn't we have been doing?
mustn't you have been doing?
mustn't they have been doing?