English verb conjugation MUST SUBSERVE

Regular verb: subserve - subserved - subserved

Affirmation

Simple form

I must subserve
you must subserve
he must subserve
we must subserve
you must subserve
they must subserve

V-ing form

I must be subserving
you must be subserving
he must be subserving
we must be subserving
you must be subserving
they must be subserving

Perfect

I must have subserved
you must have subserved
he must have subserved
we must have subserved
you must have subserved
they must have subserved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I subserve?
must you subserve?
must he subserve?
must we subserve?
must you subserve?
must they subserve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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