English verb conjugation MUST UNDERWORK

Regular verb: underwork - underworked - underworked

Affirmation

Simple form

I must underwork
you must underwork
she must underwork
we must underwork
you must underwork
they must underwork

V-ing form

I must be underworking
you must be underworking
she must be underworking
we must be underworking
you must be underworking
they must be underworking

Perfect

I must have underworked
you must have underworked
she must have underworked
we must have underworked
you must have underworked
they must have underworked

V-ing perfect

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

Negation

Simple form

I must not underwork
you must not underwork
she must not underwork
we must not underwork
you must not underwork
they must not underwork

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I underwork?
must you underwork?
must she underwork?
must we underwork?
must you underwork?
must they underwork?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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