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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST SERVE

Regular verb: serve - served - served


Affirmation

Simple form
I must serve
you must serve
he must serve
we must serve
you must serve
they must serve
V-ing form
I must be serving
you must be serving
he must be serving
we must be serving
you must be serving
they must be serving
Perfect
I must have served
you must have served
he 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
he 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
he 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
he 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
he 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
he 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 he serve?
must we serve?
must you serve?
must they serve?
V-ing form
must I be serving?
must you be serving?
must he be serving?
must we be serving?
must you be serving?
must they be serving?
Perfect
must I have served?
must you have served?
must he 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 he 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 he 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 he 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 he 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 he not have been serving?
must we not have been serving?
must you not have been serving?
must they not have been serving?