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masculino | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

Conjugación del verbo inglés MUST UNDERTAIN

Verbo regular: undertain - undertained - undertained


Afirmación

Forma simple
I must undertain
you must undertain
she must undertain
we must undertain
you must undertain
they must undertain
Forma con V-ing
I must be undertaining
you must be undertaining
she must be undertaining
we must be undertaining
you must be undertaining
they must be undertaining
Perfecto
I must have undertained
you must have undertained
she must have undertained
we must have undertained
you must have undertained
they must have undertained
Perfecto con V-ing
I must have been undertaining
you must have been undertaining
she must have been undertaining
we must have been undertaining
you must have been undertaining
they must have been undertaining

Negación

Forma simple
I mustn't undertain
you mustn't undertain
she mustn't undertain
we mustn't undertain
you mustn't undertain
they mustn't undertain
Forma con V-ing
I mustn't be undertaining
you mustn't be undertaining
she mustn't be undertaining
we mustn't be undertaining
you mustn't be undertaining
they mustn't be undertaining
Perfecto
I mustn't have undertained
you mustn't have undertained
she mustn't have undertained
we mustn't have undertained
you mustn't have undertained
they mustn't have undertained
Perfecto con V-ing
I mustn't have been undertaining
you mustn't have been undertaining
she mustn't have been undertaining
we mustn't have been undertaining
you mustn't have been undertaining
they mustn't have been undertaining

Forma interrogativa

Forma simple
must I undertain?
must you undertain?
must she undertain?
must we undertain?
must you undertain?
must they undertain?
Forma con V-ing
must I be undertaining?
must you be undertaining?
must she be undertaining?
must we be undertaining?
must you be undertaining?
must they be undertaining?
Perfecto
must I have undertained?
must you have undertained?
must she have undertained?
must we have undertained?
must you have undertained?
must they have undertained?
Perfecto con V-ing
must I have been undertaining?
must you have been undertaining?
must she have been undertaining?
must we have been undertaining?
must you have been undertaining?
must they have been undertaining?

Forma interro-negativa

Forma simple
mustn't I undertain?
mustn't you undertain?
mustn't she undertain?
mustn't we undertain?
mustn't you undertain?
mustn't they undertain?
Forma con V-ing
mustn't I be undertaining?
mustn't you be undertaining?
mustn't she be undertaining?
mustn't we be undertaining?
mustn't you be undertaining?
mustn't they be undertaining?
Perfecto
mustn't I have undertained?
mustn't you have undertained?
mustn't she have undertained?
mustn't we have undertained?
mustn't you have undertained?
mustn't they have undertained?
Perfecto con V-ing
mustn't I have been undertaining?
mustn't you have been undertaining?
mustn't she have been undertaining?
mustn't we have been undertaining?
mustn't you have been undertaining?
mustn't they have been undertaining?