Conjugación del verbo inglés MUST BIFF

Verbo regular: biff - biffed - biffed

Afirmación

Forma simple

I must biff
you must biff
he must biff
we must biff
you must biff
they must biff

Forma con V-ing

I must be biffing
you must be biffing
he must be biffing
we must be biffing
you must be biffing
they must be biffing

Perfecto

I must have biffed
you must have biffed
he must have biffed
we must have biffed
you must have biffed
they must have biffed

Perfecto con V-ing

I must have been biffing
you must have been biffing
he must have been biffing
we must have been biffing
you must have been biffing
they must have been biffing

Negación

Forma simple

I must not biff
you must not biff
he must not biff
we must not biff
you must not biff
they must not biff

Forma con V-ing

I must not be biffing
you must not be biffing
he must not be biffing
we must not be biffing
you must not be biffing
they must not be biffing

Perfecto

I must not have biffed
you must not have biffed
he must not have biffed
we must not have biffed
you must not have biffed
they must not have biffed

Perfecto con V-ing

I must not have been biffing
you must not have been biffing
he must not have been biffing
we must not have been biffing
you must not have been biffing
they must not have been biffing

Forma interrogativa

Forma simple

must I biff?
must you biff?
must he biff?
must we biff?
must you biff?
must they biff?

Forma con V-ing

must I be biffing?
must you be biffing?
must he be biffing?
must we be biffing?
must you be biffing?
must they be biffing?

Perfecto

must I have biffed?
must you have biffed?
must he have biffed?
must we have biffed?
must you have biffed?
must they have biffed?

Perfecto con V-ing

must I have been biffing?
must you have been biffing?
must he have been biffing?
must we have been biffing?
must you have been biffing?
must they have been biffing?

Forma interro-negativa

Forma simple

must I not biff?
must you not biff?
must he not biff?
must we not biff?
must you not biff?
must they not biff?

Forma con V-ing

must I not be biffing?
must you not be biffing?
must he not be biffing?
must we not be biffing?
must you not be biffing?
must they not be biffing?

Perfecto

must I not have biffed?
must you not have biffed?
must he not have biffed?
must we not have biffed?
must you not have biffed?
must they not have biffed?

Perfecto con V-ing

must I not have been biffing?
must you not have been biffing?
must he not have been biffing?
must we not have been biffing?
must you not have been biffing?
must they not have been biffing?

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