English verb conjugation MUST DECARBONISE

Regular verb: decarbonise - decarbonised - decarbonised

Affirmation

Simple form

I must decarbonise
you must decarbonise
he must decarbonise
we must decarbonise
you must decarbonise
they must decarbonise

V-ing form

I must be decarbonising
you must be decarbonising
he must be decarbonising
we must be decarbonising
you must be decarbonising
they must be decarbonising

Perfect

I must have decarbonised
you must have decarbonised
he must have decarbonised
we must have decarbonised
you must have decarbonised
they must have decarbonised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I decarbonise?
must you decarbonise?
must he decarbonise?
must we decarbonise?
must you decarbonise?
must they decarbonise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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