English verb conjugation MUST UNTWIST

Regular verb: untwist - untwisted - untwisted

Affirmation

Simple form

I must untwist
you must untwist
he must untwist
we must untwist
you must untwist
they must untwist

V-ing form

I must be untwisting
you must be untwisting
he must be untwisting
we must be untwisting
you must be untwisting
they must be untwisting

Perfect

I must have untwisted
you must have untwisted
he must have untwisted
we must have untwisted
you must have untwisted
they must have untwisted

V-ing perfect

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

Negation

Simple form

I must not untwist
you must not untwist
he must not untwist
we must not untwist
you must not untwist
they must not untwist

V-ing form

I must not be untwisting
you must not be untwisting
he must not be untwisting
we must not be untwisting
you must not be untwisting
they must not be untwisting

Perfect

I must not have untwisted
you must not have untwisted
he must not have untwisted
we must not have untwisted
you must not have untwisted
they must not have untwisted

V-ing perfect

I must not have been untwisting
you must not have been untwisting
he must not have been untwisting
we must not have been untwisting
you must not have been untwisting
they must not have been untwisting

Interrogative form

Simple form

must I untwist?
must you untwist?
must he untwist?
must we untwist?
must you untwist?
must they untwist?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not untwist?
must you not untwist?
must he not untwist?
must we not untwist?
must you not untwist?
must they not untwist?

V-ing form

must I not be untwisting?
must you not be untwisting?
must he not be untwisting?
must we not be untwisting?
must you not be untwisting?
must they not be untwisting?

Perfect

must I not have untwisted?
must you not have untwisted?
must he not have untwisted?
must we not have untwisted?
must you not have untwisted?
must they not have untwisted?

V-ing perfect

must I not have been untwisting?
must you not have been untwisting?
must he not have been untwisting?
must we not have been untwisting?
must you not have been untwisting?
must they not have been untwisting?

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