English verb conjugation MUST OVERSTAFF

Regular verb: overstaff - overstaffed - overstaffed

Affirmation

Simple form

I must overstaff
you must overstaff
he must overstaff
we must overstaff
you must overstaff
they must overstaff

V-ing form

I must be overstaffing
you must be overstaffing
he must be overstaffing
we must be overstaffing
you must be overstaffing
they must be overstaffing

Perfect

I must have overstaffed
you must have overstaffed
he must have overstaffed
we must have overstaffed
you must have overstaffed
they must have overstaffed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I overstaff?
must you overstaff?
must he overstaff?
must we overstaff?
must you overstaff?
must they overstaff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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