Conjugación del verbo inglés MUST RIFF

Verbo regular: riff - riffed - riffed

Afirmación

Forma simple

I must riff
you must riff
he must riff
we must riff
you must riff
they must riff

Forma con V-ing

I must be riffing
you must be riffing
he must be riffing
we must be riffing
you must be riffing
they must be riffing

Perfecto

I must have riffed
you must have riffed
he must have riffed
we must have riffed
you must have riffed
they must have riffed

Perfecto con V-ing

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

Negación

Forma simple

I must not riff
you must not riff
he must not riff
we must not riff
you must not riff
they must not riff

Forma con V-ing

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

Perfecto

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

Perfecto con V-ing

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

Forma interrogativa

Forma simple

must I riff?
must you riff?
must he riff?
must we riff?
must you riff?
must they riff?

Forma con V-ing

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

Perfecto

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

Perfecto con V-ing

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

Forma interro-negativa

Forma simple

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

Forma con V-ing

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

Perfecto

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

Perfecto con V-ing

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

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