Conjugaison du verbe anglais MUST RIFF

Verbe régulier : riff - riffed - riffed

Affirmation

Forme simple

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

Forme en 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

Perfect

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

Négation

Forme simple

I mustn't riff
you mustn't riff
he mustn't riff
we mustn't riff
you mustn't riff
they mustn't riff

Forme en V-ing

I mustn't be riffing
you mustn't be riffing
he mustn't be riffing
we mustn't be riffing
you mustn't be riffing
they mustn't be riffing

Perfect

I mustn't have riffed
you mustn't have riffed
he mustn't have riffed
we mustn't have riffed
you mustn't have riffed
they mustn't have riffed

Perfect en V-ing

I mustn't have been riffing
you mustn't have been riffing
he mustn't have been riffing
we mustn't have been riffing
you mustn't have been riffing
they mustn't have been riffing

Forme interrogative

Forme simple

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

Forme en 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?

Perfect

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

Forme interro-négative

Forme simple

mustn't I riff?
mustn't you riff?
mustn't he riff?
mustn't we riff?
mustn't you riff?
mustn't they riff?

Forme en V-ing

mustn't I be riffing?
mustn't you be riffing?
mustn't he be riffing?
mustn't we be riffing?
mustn't you be riffing?
mustn't they be riffing?

Perfect

mustn't I have riffed?
mustn't you have riffed?
mustn't he have riffed?
mustn't we have riffed?
mustn't you have riffed?
mustn't they have riffed?

Perfect en V-ing

mustn't I have been riffing?
mustn't you have been riffing?
mustn't he have been riffing?
mustn't we have been riffing?
mustn't you have been riffing?
mustn't they have been riffing?

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