English verb conjugation COULD DECARBURIZE

Regular verb: decarburize - decarburized - decarburized

Affirmation

Simple form

I could decarburize
you could decarburize
he could decarburize
we could decarburize
you could decarburize
they could decarburize

V-ing form

I could be decarburizing
you could be decarburizing
he could be decarburizing
we could be decarburizing
you could be decarburizing
they could be decarburizing

Perfect

I could have decarburized
you could have decarburized
he could have decarburized
we could have decarburized
you could have decarburized
they could have decarburized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I decarburize?
could you decarburize?
could he decarburize?
could we decarburize?
could you decarburize?
could they decarburize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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