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 must not disserve
you must not disserve
he must not disserve
we must not disserve
you must not disserve
they must not disserve

V-ing form

I must not be disserving
you must not be disserving
he must not be disserving
we must not be disserving
you must not be disserving
they must not be disserving

Perfect

I must not have disserved
you must not have disserved
he must not have disserved
we must not have disserved
you must not have disserved
they must not have disserved

V-ing perfect

I must not have been disserving
you must not have been disserving
he must not have been disserving
we must not have been disserving
you must not have been disserving
they must not 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

must I not disserve?
must you not disserve?
must he not disserve?
must we not disserve?
must you not disserve?
must they not disserve?

V-ing form

must I not be disserving?
must you not be disserving?
must he not be disserving?
must we not be disserving?
must you not be disserving?
must they not be disserving?

Perfect

must I not have disserved?
must you not have disserved?
must he not have disserved?
must we not have disserved?
must you not have disserved?
must they not have disserved?

V-ing perfect

must I not have been disserving?
must you not have been disserving?
must he not have been disserving?
must we not have been disserving?
must you not have been disserving?
must they not have been disserving?

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