English verb conjugation COULD DESULFERIZE

Regular verb: desulferize - desulferized - desulferized

Affirmation

Simple form

I could desulferize
you could desulferize
he could desulferize
we could desulferize
you could desulferize
they could desulferize

V-ing form

I could be desulferizing
you could be desulferizing
he could be desulferizing
we could be desulferizing
you could be desulferizing
they could be desulferizing

Perfect

I could have desulferized
you could have desulferized
he could have desulferized
we could have desulferized
you could have desulferized
they could have desulferized

V-ing perfect

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

Negation

Simple form

I could not desulferize
you could not desulferize
he could not desulferize
we could not desulferize
you could not desulferize
they could not desulferize

V-ing form

I could not be desulferizing
you could not be desulferizing
he could not be desulferizing
we could not be desulferizing
you could not be desulferizing
they could not be desulferizing

Perfect

I could not have desulferized
you could not have desulferized
he could not have desulferized
we could not have desulferized
you could not have desulferized
they could not have desulferized

V-ing perfect

I could not have been desulferizing
you could not have been desulferizing
he could not have been desulferizing
we could not have been desulferizing
you could not have been desulferizing
they could not have been desulferizing

Interrogative form

Simple form

could I desulferize?
could you desulferize?
could he desulferize?
could we desulferize?
could you desulferize?
could they desulferize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not desulferize?
could you not desulferize?
could he not desulferize?
could we not desulferize?
could you not desulferize?
could they not desulferize?

V-ing form

could I not be desulferizing?
could you not be desulferizing?
could he not be desulferizing?
could we not be desulferizing?
could you not be desulferizing?
could they not be desulferizing?

Perfect

could I not have desulferized?
could you not have desulferized?
could he not have desulferized?
could we not have desulferized?
could you not have desulferized?
could they not have desulferized?

V-ing perfect

could I not have been desulferizing?
could you not have been desulferizing?
could he not have been desulferizing?
could we not have been desulferizing?
could you not have been desulferizing?
could they not have been desulferizing?

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