English verb conjugation COULD DECARBONISE

Regular verb: decarbonise - decarbonised - decarbonised

Affirmation

Simple form

I could decarbonise
you could decarbonise
he could decarbonise
we could decarbonise
you could decarbonise
they could decarbonise

V-ing form

I could be decarbonising
you could be decarbonising
he could be decarbonising
we could be decarbonising
you could be decarbonising
they could be decarbonising

Perfect

I could have decarbonised
you could have decarbonised
he could have decarbonised
we could have decarbonised
you could have decarbonised
they could have decarbonised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I decarbonise?
could you decarbonise?
could he decarbonise?
could we decarbonise?
could you decarbonise?
could they decarbonise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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