Conjugaison du verbe anglais MUST REF

Verbe régulier : ref - refed - refed

Affirmation

Forme simple

I must ref
you must ref
he must ref
we must ref
you must ref
they must ref

Forme en V-ing

I must be refing
you must be refing
he must be refing
we must be refing
you must be refing
they must be refing

Perfect

I must have refed
you must have refed
he must have refed
we must have refed
you must have refed
they must have refed

Perfect en V-ing

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

Négation

Forme simple

I must not ref
you must not ref
he must not ref
we must not ref
you must not ref
they must not ref

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

Forme interrogative

Forme simple

must I ref?
must you ref?
must he ref?
must we ref?
must you ref?
must they ref?

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

Forme interro-négative

Forme simple

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

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

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