feminino | Modal : não | may | might | can | could | shall | should | will | would | must | ought to
Conjugação do verbo inglês MUST UNDERTAIN
Verbo regular: undertain - undertained - undertained
Afirmação
Forma simple
I must undertainyou must undertain
he must undertain
we must undertain
you must undertain
they must undertain
Forma com V-ing
I must be undertainingyou must be undertaining
he must be undertaining
we must be undertaining
you must be undertaining
they must be undertaining
Perfeito
I must have undertainedyou must have undertained
he must have undertained
we must have undertained
you must have undertained
they must have undertained
Perfeito com V-ing
I must have been undertainingyou must have been undertaining
he must have been undertaining
we must have been undertaining
you must have been undertaining
they must have been undertaining
Negação
Forma simple
I mustn't undertainyou mustn't undertain
he mustn't undertain
we mustn't undertain
you mustn't undertain
they mustn't undertain
Forma com V-ing
I mustn't be undertainingyou mustn't be undertaining
he mustn't be undertaining
we mustn't be undertaining
you mustn't be undertaining
they mustn't be undertaining
Perfeito
I mustn't have undertainedyou mustn't have undertained
he mustn't have undertained
we mustn't have undertained
you mustn't have undertained
they mustn't have undertained
Perfeito com V-ing
I mustn't have been undertainingyou mustn't have been undertaining
he 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 he undertain?
must we undertain?
must you undertain?
must they undertain?
Forma com V-ing
must I be undertaining?must you be undertaining?
must he be undertaining?
must we be undertaining?
must you be undertaining?
must they be undertaining?
Perfeito
must I have undertained?must you have undertained?
must he have undertained?
must we have undertained?
must you have undertained?
must they have undertained?
Perfeito com V-ing
must I have been undertaining?must you have been undertaining?
must he have been undertaining?
must we have been undertaining?
must you have been undertaining?
must they have been undertaining?
Forma interro-Negação
Forma simple
mustn't I undertain?mustn't you undertain?
mustn't he undertain?
mustn't we undertain?
mustn't you undertain?
mustn't they undertain?
Forma com V-ing
mustn't I be undertaining?mustn't you be undertaining?
mustn't he be undertaining?
mustn't we be undertaining?
mustn't you be undertaining?
mustn't they be undertaining?
Perfeito
mustn't I have undertained?mustn't you have undertained?
mustn't he have undertained?
mustn't we have undertained?
mustn't you have undertained?
mustn't they have undertained?
Perfeito com V-ing
mustn't I have been undertaining?mustn't you have been undertaining?
mustn't he have been undertaining?
mustn't we have been undertaining?
mustn't you have been undertaining?
mustn't they have been undertaining?