English verb conjugation MUST DEVITALISE

Regular verb: devitalise - devitalised - devitalised

Affirmation

Simple form

I must devitalise
you must devitalise
she must devitalise
we must devitalise
you must devitalise
they must devitalise

V-ing form

I must be devitalising
you must be devitalising
she must be devitalising
we must be devitalising
you must be devitalising
they must be devitalising

Perfect

I must have devitalised
you must have devitalised
she must have devitalised
we must have devitalised
you must have devitalised
they must have devitalised

V-ing perfect

I must have been devitalising
you must have been devitalising
she must have been devitalising
we must have been devitalising
you must have been devitalising
they must have been devitalising

Negation

Simple form

I mustn't devitalise
you mustn't devitalise
she mustn't devitalise
we mustn't devitalise
you mustn't devitalise
they mustn't devitalise

V-ing form

I mustn't be devitalising
you mustn't be devitalising
she mustn't be devitalising
we mustn't be devitalising
you mustn't be devitalising
they mustn't be devitalising

Perfect

I mustn't have devitalised
you mustn't have devitalised
she mustn't have devitalised
we mustn't have devitalised
you mustn't have devitalised
they mustn't have devitalised

V-ing perfect

I mustn't have been devitalising
you mustn't have been devitalising
she mustn't have been devitalising
we mustn't have been devitalising
you mustn't have been devitalising
they mustn't have been devitalising

Interrogative form

Simple form

must I devitalise?
must you devitalise?
must she devitalise?
must we devitalise?
must you devitalise?
must they devitalise?

V-ing form

must I be devitalising?
must you be devitalising?
must she be devitalising?
must we be devitalising?
must you be devitalising?
must they be devitalising?

Perfect

must I have devitalised?
must you have devitalised?
must she have devitalised?
must we have devitalised?
must you have devitalised?
must they have devitalised?

V-ing perfect

must I have been devitalising?
must you have been devitalising?
must she have been devitalising?
must we have been devitalising?
must you have been devitalising?
must they have been devitalising?

Interro-negative form

Simple form

mustn't I devitalise?
mustn't you devitalise?
mustn't she devitalise?
mustn't we devitalise?
mustn't you devitalise?
mustn't they devitalise?

V-ing form

mustn't I be devitalising?
mustn't you be devitalising?
mustn't she be devitalising?
mustn't we be devitalising?
mustn't you be devitalising?
mustn't they be devitalising?

Perfect

mustn't I have devitalised?
mustn't you have devitalised?
mustn't she have devitalised?
mustn't we have devitalised?
mustn't you have devitalised?
mustn't they have devitalised?

V-ing perfect

mustn't I have been devitalising?
mustn't you have been devitalising?
mustn't she have been devitalising?
mustn't we have been devitalising?
mustn't you have been devitalising?
mustn't they have been devitalising?

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