English verb conjugation MUST DECOUPLE

Regular verb: decouple - decoupled - decoupled

Affirmation

Simple form

I must decouple
you must decouple
he must decouple
we must decouple
you must decouple
they must decouple

V-ing form

I must be decoupling
you must be decoupling
he must be decoupling
we must be decoupling
you must be decoupling
they must be decoupling

Perfect

I must have decoupled
you must have decoupled
he must have decoupled
we must have decoupled
you must have decoupled
they must have decoupled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I decouple?
must you decouple?
must he decouple?
must we decouple?
must you decouple?
must they decouple?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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