English verb conjugation MUST DECUPLE

Regular verb: decuple - decupled - decupled

Affirmation

Simple form

I must decuple
you must decuple
he must decuple
we must decuple
you must decuple
they must decuple

V-ing form

I must be decupling
you must be decupling
he must be decupling
we must be decupling
you must be decupling
they must be decupling

Perfect

I must have decupled
you must have decupled
he must have decupled
we must have decupled
you must have decupled
they must have decupled

V-ing perfect

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

Negation

Simple form

I must not decuple
you must not decuple
he must not decuple
we must not decuple
you must not decuple
they must not decuple

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I decuple?
must you decuple?
must he decuple?
must we decuple?
must you decuple?
must they decuple?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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