English verb conjugation COULD SYSTEMISE

Regular verb: systemise - systemised - systemised

Affirmation

Simple form

I could systemise
you could systemise
she could systemise
we could systemise
you could systemise
they could systemise

V-ing form

I could be systemising
you could be systemising
she could be systemising
we could be systemising
you could be systemising
they could be systemising

Perfect

I could have systemised
you could have systemised
she could have systemised
we could have systemised
you could have systemised
they could have systemised

V-ing perfect

I could have been systemising
you could have been systemising
she could have been systemising
we could have been systemising
you could have been systemising
they could have been systemising

Negation

Simple form

I could not systemise
you could not systemise
she could not systemise
we could not systemise
you could not systemise
they could not systemise

V-ing form

I could not be systemising
you could not be systemising
she could not be systemising
we could not be systemising
you could not be systemising
they could not be systemising

Perfect

I could not have systemised
you could not have systemised
she could not have systemised
we could not have systemised
you could not have systemised
they could not have systemised

V-ing perfect

I could not have been systemising
you could not have been systemising
she could not have been systemising
we could not have been systemising
you could not have been systemising
they could not have been systemising

Interrogative form

Simple form

could I systemise?
could you systemise?
could she systemise?
could we systemise?
could you systemise?
could they systemise?

V-ing form

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

Perfect

could I have systemised?
could you have systemised?
could she have systemised?
could we have systemised?
could you have systemised?
could they have systemised?

V-ing perfect

could I have been systemising?
could you have been systemising?
could she have been systemising?
could we have been systemising?
could you have been systemising?
could they have been systemising?

Interro-negative form

Simple form

could I not systemise?
could you not systemise?
could she not systemise?
could we not systemise?
could you not systemise?
could they not systemise?

V-ing form

could I not be systemising?
could you not be systemising?
could she not be systemising?
could we not be systemising?
could you not be systemising?
could they not be systemising?

Perfect

could I not have systemised?
could you not have systemised?
could she not have systemised?
could we not have systemised?
could you not have systemised?
could they not have systemised?

V-ing perfect

could I not have been systemising?
could you not have been systemising?
could she not have been systemising?
could we not have been systemising?
could you not have been systemising?
could they not have been systemising?

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