Conjugaison du verbe anglais MUST RIFF

Verbe régulier : riff - riffed - riffed

Affirmation

Forme simple

I must riff
you must riff
she must riff
we must riff
you must riff
they must riff

Forme en V-ing

I must be riffing
you must be riffing
she must be riffing
we must be riffing
you must be riffing
they must be riffing

Perfect

I must have riffed
you must have riffed
she must have riffed
we must have riffed
you must have riffed
they must have riffed

Perfect en V-ing

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

Négation

Forme simple

I must not riff
you must not riff
she must not riff
we must not riff
you must not riff
they must not riff

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

Forme interrogative

Forme simple

must I riff?
must you riff?
must she riff?
must we riff?
must you riff?
must they riff?

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

Forme interro-négative

Forme simple

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

Forme en V-ing

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

Perfect

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

Perfect en V-ing

must I not have been riffing?
must you not have been riffing?
must she 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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