English verb conjugation MUST WORK

Regular verb: work - worked - worked

Affirmation

Simple form

I must work
you must work
he must work
we must work
you must work
they must work

V-ing form

I must be working
you must be working
he must be working
we must be working
you must be working
they must be working

Perfect

I must have worked
you must have worked
he must have worked
we must have worked
you must have worked
they must have worked

V-ing perfect

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

Negation

Simple form

I mustn't work
you mustn't work
he mustn't work
we mustn't work
you mustn't work
they mustn't work

V-ing form

I mustn't be working
you mustn't be working
he mustn't be working
we mustn't be working
you mustn't be working
they mustn't be working

Perfect

I mustn't have worked
you mustn't have worked
he mustn't have worked
we mustn't have worked
you mustn't have worked
they mustn't have worked

V-ing perfect

I mustn't have been working
you mustn't have been working
he mustn't have been working
we mustn't have been working
you mustn't have been working
they mustn't have been working

Interrogative form

Simple form

must I work?
must you work?
must he work?
must we work?
must you work?
must they work?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I work?
mustn't you work?
mustn't he work?
mustn't we work?
mustn't you work?
mustn't they work?

V-ing form

mustn't I be working?
mustn't you be working?
mustn't he be working?
mustn't we be working?
mustn't you be working?
mustn't they be working?

Perfect

mustn't I have worked?
mustn't you have worked?
mustn't he have worked?
mustn't we have worked?
mustn't you have worked?
mustn't they have worked?

V-ing perfect

mustn't I have been working?
mustn't you have been working?
mustn't he have been working?
mustn't we have been working?
mustn't you have been working?
mustn't they have been working?

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