English verb conjugation COULD DESULFERIZE

Regular verb: desulferize - desulferized - desulferized

Affirmation

Simple form

I could desulferize
you could desulferize
she could desulferize
we could desulferize
you could desulferize
they could desulferize

V-ing form

I could be desulferizing
you could be desulferizing
she could be desulferizing
we could be desulferizing
you could be desulferizing
they could be desulferizing

Perfect

I could have desulferized
you could have desulferized
she 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
she 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
she 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
she 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
she 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
she 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 she desulferize?
could we desulferize?
could you desulferize?
could they desulferize?

V-ing form

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

Perfect

could I have desulferized?
could you have desulferized?
could she 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 she 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 she 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 she 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 she 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 she 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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