English verb conjugation COULD DECARBURISE

Regular verb: decarburise - decarburised - decarburised

Affirmation

Simple form

I could decarburise
you could decarburise
she could decarburise
we could decarburise
you could decarburise
they could decarburise

V-ing form

I could be decarburising
you could be decarburising
she could be decarburising
we could be decarburising
you could be decarburising
they could be decarburising

Perfect

I could have decarburised
you could have decarburised
she could have decarburised
we could have decarburised
you could have decarburised
they could have decarburised

V-ing perfect

I could have been decarburising
you could have been decarburising
she could have been decarburising
we could have been decarburising
you could have been decarburising
they could have been decarburising

Negation

Simple form

I couldn't decarburise
you couldn't decarburise
she couldn't decarburise
we couldn't decarburise
you couldn't decarburise
they couldn't decarburise

V-ing form

I couldn't be decarburising
you couldn't be decarburising
she couldn't be decarburising
we couldn't be decarburising
you couldn't be decarburising
they couldn't be decarburising

Perfect

I couldn't have decarburised
you couldn't have decarburised
she couldn't have decarburised
we couldn't have decarburised
you couldn't have decarburised
they couldn't have decarburised

V-ing perfect

I couldn't have been decarburising
you couldn't have been decarburising
she couldn't have been decarburising
we couldn't have been decarburising
you couldn't have been decarburising
they couldn't have been decarburising

Interrogative form

Simple form

could I decarburise?
could you decarburise?
could she decarburise?
could we decarburise?
could you decarburise?
could they decarburise?

V-ing form

could I be decarburising?
could you be decarburising?
could she be decarburising?
could we be decarburising?
could you be decarburising?
could they be decarburising?

Perfect

could I have decarburised?
could you have decarburised?
could she have decarburised?
could we have decarburised?
could you have decarburised?
could they have decarburised?

V-ing perfect

could I have been decarburising?
could you have been decarburising?
could she have been decarburising?
could we have been decarburising?
could you have been decarburising?
could they have been decarburising?

Interro-negative form

Simple form

couldn't I decarburise?
couldn't you decarburise?
couldn't she decarburise?
couldn't we decarburise?
couldn't you decarburise?
couldn't they decarburise?

V-ing form

couldn't I be decarburising?
couldn't you be decarburising?
couldn't she be decarburising?
couldn't we be decarburising?
couldn't you be decarburising?
couldn't they be decarburising?

Perfect

couldn't I have decarburised?
couldn't you have decarburised?
couldn't she have decarburised?
couldn't we have decarburised?
couldn't you have decarburised?
couldn't they have decarburised?

V-ing perfect

couldn't I have been decarburising?
couldn't you have been decarburising?
couldn't she have been decarburising?
couldn't we have been decarburising?
couldn't you have been decarburising?
couldn't they have been decarburising?

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