English verb conjugation MUST CALVE

Regular verb: calve - calved - calved

Affirmation

Simple form

I must calve
you must calve
he must calve
we must calve
you must calve
they must calve

V-ing form

I must be calving
you must be calving
he must be calving
we must be calving
you must be calving
they must be calving

Perfect

I must have calved
you must have calved
he must have calved
we must have calved
you must have calved
they must have calved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I calve?
must you calve?
must he calve?
must we calve?
must you calve?
must they calve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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