English verb conjugation MUST DISSERVE

Regular verb: disserve - disserved - disserved

Affirmation

Simple form

I must disserve
you must disserve
he must disserve
we must disserve
you must disserve
they must disserve

V-ing form

I must be disserving
you must be disserving
he must be disserving
we must be disserving
you must be disserving
they must be disserving

Perfect

I must have disserved
you must have disserved
he must have disserved
we must have disserved
you must have disserved
they must have disserved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I disserve?
must you disserve?
must he disserve?
must we disserve?
must you disserve?
must they disserve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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