English verb conjugation COULD CARBURIZE

Regular verb: carburize - carburized - carburized

Affirmation

Simple form

I could carburize
you could carburize
he could carburize
we could carburize
you could carburize
they could carburize

V-ing form

I could be carburizing
you could be carburizing
he could be carburizing
we could be carburizing
you could be carburizing
they could be carburizing

Perfect

I could have carburized
you could have carburized
he could have carburized
we could have carburized
you could have carburized
they could have carburized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I carburize?
could you carburize?
could he carburize?
could we carburize?
could you carburize?
could they carburize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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