English verb conjugation MUST SUBSIST

Regular verb: subsist - subsisted - subsisted

Affirmation

Simple form

I must subsist
you must subsist
he must subsist
we must subsist
you must subsist
they must subsist

V-ing form

I must be subsisting
you must be subsisting
he must be subsisting
we must be subsisting
you must be subsisting
they must be subsisting

Perfect

I must have subsisted
you must have subsisted
he must have subsisted
we must have subsisted
you must have subsisted
they must have subsisted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I subsist?
must you subsist?
must he subsist?
must we subsist?
must you subsist?
must they subsist?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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