Conjugación del verbo inglés MUST REFER
Verbo regular: refer - referred - referred
Afirmación
Forma simple
I must referyou must refer
he must refer
we must refer
you must refer
they must refer
Forma con V-ing
I must be referringyou must be referring
he must be referring
we must be referring
you must be referring
they must be referring
Perfecto
I must have referredyou must have referred
he must have referred
we must have referred
you must have referred
they must have referred
Perfecto con V-ing
I must have been referringyou must have been referring
he must have been referring
we must have been referring
you must have been referring
they must have been referring
Negación
Forma simple
I mustn't referyou mustn't refer
he mustn't refer
we mustn't refer
you mustn't refer
they mustn't refer
Forma con V-ing
I mustn't be referringyou mustn't be referring
he mustn't be referring
we mustn't be referring
you mustn't be referring
they mustn't be referring
Perfecto
I mustn't have referredyou mustn't have referred
he mustn't have referred
we mustn't have referred
you mustn't have referred
they mustn't have referred
Perfecto con V-ing
I mustn't have been referringyou mustn't have been referring
he mustn't have been referring
we mustn't have been referring
you mustn't have been referring
they mustn't have been referring
Forma interrogativa
Forma simple
must I refer?must you refer?
must he refer?
must we refer?
must you refer?
must they refer?
Forma con V-ing
must I be referring?must you be referring?
must he be referring?
must we be referring?
must you be referring?
must they be referring?
Perfecto
must I have referred?must you have referred?
must he have referred?
must we have referred?
must you have referred?
must they have referred?
Perfecto con V-ing
must I have been referring?must you have been referring?
must he have been referring?
must we have been referring?
must you have been referring?
must they have been referring?
Forma interro-negativa
Forma simple
mustn't I refer?mustn't you refer?
mustn't he refer?
mustn't we refer?
mustn't you refer?
mustn't they refer?
Forma con V-ing
mustn't I be referring?mustn't you be referring?
mustn't he be referring?
mustn't we be referring?
mustn't you be referring?
mustn't they be referring?
Perfecto
mustn't I have referred?mustn't you have referred?
mustn't he have referred?
mustn't we have referred?
mustn't you have referred?
mustn't they have referred?
Perfecto con V-ing
mustn't I have been referring?mustn't you have been referring?
mustn't he have been referring?
mustn't we have been referring?
mustn't you have been referring?
mustn't they have been referring?