English verb conjugation MUST UNSCREW

Regular verb: unscrew - unscrewed - unscrewed

Affirmation

Simple form

I must unscrew
you must unscrew
he must unscrew
we must unscrew
you must unscrew
they must unscrew

V-ing form

I must be unscrewing
you must be unscrewing
he must be unscrewing
we must be unscrewing
you must be unscrewing
they must be unscrewing

Perfect

I must have unscrewed
you must have unscrewed
he must have unscrewed
we must have unscrewed
you must have unscrewed
they must have unscrewed

V-ing perfect

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

Negation

Simple form

I must not unscrew
you must not unscrew
he must not unscrew
we must not unscrew
you must not unscrew
they must not unscrew

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I unscrew?
must you unscrew?
must he unscrew?
must we unscrew?
must you unscrew?
must they unscrew?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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