English verb conjugation MUST DEVITALIZE

Regular verb: devitalize - devitalized - devitalized

Affirmation

Simple form

I must devitalize
you must devitalize
he must devitalize
we must devitalize
you must devitalize
they must devitalize

V-ing form

I must be devitalizing
you must be devitalizing
he must be devitalizing
we must be devitalizing
you must be devitalizing
they must be devitalizing

Perfect

I must have devitalized
you must have devitalized
he must have devitalized
we must have devitalized
you must have devitalized
they must have devitalized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I devitalize?
must you devitalize?
must he devitalize?
must we devitalize?
must you devitalize?
must they devitalize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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