English verb conjugation MUST DECOLOURISE

Regular verb: decolourise - decolourised - decolourised

Affirmation

Simple form

I must decolourise
you must decolourise
he must decolourise
we must decolourise
you must decolourise
they must decolourise

V-ing form

I must be decolourising
you must be decolourising
he must be decolourising
we must be decolourising
you must be decolourising
they must be decolourising

Perfect

I must have decolourised
you must have decolourised
he must have decolourised
we must have decolourised
you must have decolourised
they must have decolourised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I decolourise?
must you decolourise?
must he decolourise?
must we decolourise?
must you decolourise?
must they decolourise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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