English verb conjugation MUST SERVE

Regular verb: serve - served - served

Affirmation

Simple form

I must serve
you must serve
she must serve
we must serve
you must serve
they must serve

V-ing form

I must be serving
you must be serving
she must be serving
we must be serving
you must be serving
they must be serving

Perfect

I must have served
you must have served
she must have served
we must have served
you must have served
they must have served

V-ing perfect

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

Negation

Simple form

I must not serve
you must not serve
she must not serve
we must not serve
you must not serve
they must not serve

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I serve?
must you serve?
must she serve?
must we serve?
must you serve?
must they serve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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