English verb conjugation MUST VOUCHSAFE

Regular verb: vouchsafe - vouchsafed - vouchsafed

Affirmation

Simple form

I must vouchsafe
you must vouchsafe
he must vouchsafe
we must vouchsafe
you must vouchsafe
they must vouchsafe

V-ing form

I must be vouchsafing
you must be vouchsafing
he must be vouchsafing
we must be vouchsafing
you must be vouchsafing
they must be vouchsafing

Perfect

I must have vouchsafed
you must have vouchsafed
he must have vouchsafed
we must have vouchsafed
you must have vouchsafed
they must have vouchsafed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I vouchsafe?
must you vouchsafe?
must he vouchsafe?
must we vouchsafe?
must you vouchsafe?
must they vouchsafe?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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