English verb conjugation MUST SCREW

Regular verb: screw - screwed - screwed

Affirmation

Simple form

I must screw
you must screw
he must screw
we must screw
you must screw
they must screw

V-ing form

I must be screwing
you must be screwing
he must be screwing
we must be screwing
you must be screwing
they must be screwing

Perfect

I must have screwed
you must have screwed
he must have screwed
we must have screwed
you must have screwed
they must have screwed

V-ing perfect

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

Negation

Simple form

I must not screw
you must not screw
he must not screw
we must not screw
you must not screw
they must not screw

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I screw?
must you screw?
must he screw?
must we screw?
must you screw?
must they screw?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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