English verb conjugation COULD TWINE

Regular verb: twine - twined - twined

Affirmation

Simple form

I could twine
you could twine
he could twine
we could twine
you could twine
they could twine

V-ing form

I could be twining
you could be twining
he could be twining
we could be twining
you could be twining
they could be twining

Perfect

I could have twined
you could have twined
he could have twined
we could have twined
you could have twined
they could have twined

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I twine?
could you twine?
could he twine?
could we twine?
could you twine?
could they twine?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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