English verb conjugation COULD UNTWINE

Regular verb: untwine - untwined - untwined

Affirmation

Simple form

I could untwine
you could untwine
she could untwine
we could untwine
you could untwine
they could untwine

V-ing form

I could be untwining
you could be untwining
she could be untwining
we could be untwining
you could be untwining
they could be untwining

Perfect

I could have untwined
you could have untwined
she could have untwined
we could have untwined
you could have untwined
they could have untwined

V-ing perfect

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

Negation

Simple form

I could not untwine
you could not untwine
she could not untwine
we could not untwine
you could not untwine
they could not untwine

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I untwine?
could you untwine?
could she untwine?
could we untwine?
could you untwine?
could they untwine?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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