English verb conjugation MUST UNTWINE

Regular verb: untwine - untwined - untwined

Affirmation

Simple form

I must untwine
you must untwine
she must untwine
we must untwine
you must untwine
they must untwine

V-ing form

I must be untwining
you must be untwining
she must be untwining
we must be untwining
you must be untwining
they must be untwining

Perfect

I must have untwined
you must have untwined
she must have untwined
we must have untwined
you must have untwined
they must have untwined

V-ing perfect

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

Negation

Simple form

I must not untwine
you must not untwine
she must not untwine
we must not untwine
you must not untwine
they must not untwine

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I untwine?
must you untwine?
must she untwine?
must we untwine?
must you untwine?
must they untwine?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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