English verb conjugation MUST DECALCIFY

Regular verb: decalcify - decalcified - decalcified

Affirmation

Simple form

I must decalcify
you must decalcify
he must decalcify
we must decalcify
you must decalcify
they must decalcify

V-ing form

I must be decalcifying
you must be decalcifying
he must be decalcifying
we must be decalcifying
you must be decalcifying
they must be decalcifying

Perfect

I must have decalcified
you must have decalcified
he must have decalcified
we must have decalcified
you must have decalcified
they must have decalcified

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I decalcify?
must you decalcify?
must he decalcify?
must we decalcify?
must you decalcify?
must they decalcify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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