Conjugación del verbo inglés MUST REFER

Verbo regular: refer - referred - referred

Afirmación

Forma simple

I must refer
you must refer
he must refer
we must refer
you must refer
they must refer

Forma con V-ing

I must be referring
you must be referring
he must be referring
we must be referring
you must be referring
they must be referring

Perfecto

I must have referred
you 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 referring
you 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 refer
you 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 referring
you 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 referred
you 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 referring
you 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?

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