English verb conjugation COULD UNTWIST

Regular verb: untwist - untwisted - untwisted

Affirmation

Simple form

I could untwist
you could untwist
he could untwist
we could untwist
you could untwist
they could untwist

V-ing form

I could be untwisting
you could be untwisting
he could be untwisting
we could be untwisting
you could be untwisting
they could be untwisting

Perfect

I could have untwisted
you could have untwisted
he could have untwisted
we could have untwisted
you could have untwisted
they could have untwisted

V-ing perfect

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

Negation

Simple form

I couldn't untwist
you couldn't untwist
he couldn't untwist
we couldn't untwist
you couldn't untwist
they couldn't untwist

V-ing form

I couldn't be untwisting
you couldn't be untwisting
he couldn't be untwisting
we couldn't be untwisting
you couldn't be untwisting
they couldn't be untwisting

Perfect

I couldn't have untwisted
you couldn't have untwisted
he couldn't have untwisted
we couldn't have untwisted
you couldn't have untwisted
they couldn't have untwisted

V-ing perfect

I couldn't have been untwisting
you couldn't have been untwisting
he couldn't have been untwisting
we couldn't have been untwisting
you couldn't have been untwisting
they couldn't have been untwisting

Interrogative form

Simple form

could I untwist?
could you untwist?
could he untwist?
could we untwist?
could you untwist?
could they untwist?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I untwist?
couldn't you untwist?
couldn't he untwist?
couldn't we untwist?
couldn't you untwist?
couldn't they untwist?

V-ing form

couldn't I be untwisting?
couldn't you be untwisting?
couldn't he be untwisting?
couldn't we be untwisting?
couldn't you be untwisting?
couldn't they be untwisting?

Perfect

couldn't I have untwisted?
couldn't you have untwisted?
couldn't he have untwisted?
couldn't we have untwisted?
couldn't you have untwisted?
couldn't they have untwisted?

V-ing perfect

couldn't I have been untwisting?
couldn't you have been untwisting?
couldn't he have been untwisting?
couldn't we have been untwisting?
couldn't you have been untwisting?
couldn't they have been untwisting?

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