English verb conjugation COULD CARBONIZE

Regular verb: carbonize - carbonized - carbonized

Affirmation

Simple form

I could carbonize
you could carbonize
he could carbonize
we could carbonize
you could carbonize
they could carbonize

V-ing form

I could be carbonizing
you could be carbonizing
he could be carbonizing
we could be carbonizing
you could be carbonizing
they could be carbonizing

Perfect

I could have carbonized
you could have carbonized
he could have carbonized
we could have carbonized
you could have carbonized
they could have carbonized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I carbonize?
could you carbonize?
could he carbonize?
could we carbonize?
could you carbonize?
could they carbonize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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