English verb conjugation COULD SYSTEMIZE

Regular verb: systemize - systemized - systemized

Affirmation

Simple form

I could systemize
you could systemize
he could systemize
we could systemize
you could systemize
they could systemize

V-ing form

I could be systemizing
you could be systemizing
he could be systemizing
we could be systemizing
you could be systemizing
they could be systemizing

Perfect

I could have systemized
you could have systemized
he could have systemized
we could have systemized
you could have systemized
they could have systemized

V-ing perfect

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

Negation

Simple form

I could not systemize
you could not systemize
he could not systemize
we could not systemize
you could not systemize
they could not systemize

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I systemize?
could you systemize?
could he systemize?
could we systemize?
could you systemize?
could they systemize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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