English verb conjugation MUST OBSOLESCE

Regular verb: obsolesce - obsolesced - obsolesced

Affirmation

Simple form

I must obsolesce
you must obsolesce
he must obsolesce
we must obsolesce
you must obsolesce
they must obsolesce

V-ing form

I must be obsolescing
you must be obsolescing
he must be obsolescing
we must be obsolescing
you must be obsolescing
they must be obsolescing

Perfect

I must have obsolesced
you must have obsolesced
he must have obsolesced
we must have obsolesced
you must have obsolesced
they must have obsolesced

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I obsolesce?
must you obsolesce?
must he obsolesce?
must we obsolesce?
must you obsolesce?
must they obsolesce?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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