English verb conjugation MUST PROFFER

Regular verb: proffer - proffered - proffered

Affirmation

Simple form

I must proffer
you must proffer
he must proffer
we must proffer
you must proffer
they must proffer

V-ing form

I must be proffering
you must be proffering
he must be proffering
we must be proffering
you must be proffering
they must be proffering

Perfect

I must have proffered
you must have proffered
he must have proffered
we must have proffered
you must have proffered
they must have proffered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I proffer?
must you proffer?
must he proffer?
must we proffer?
must you proffer?
must they proffer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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