English verb conjugation MUST RUN

Irregular verb: run - ran - run

Affirmation

Simple form

I must run
you must run
she must run
we must run
you must run
they must run

V-ing form

I must be running
you must be running
she must be running
we must be running
you must be running
they must be running

Perfect

I must have run
you must have run
she must have run
we must have run
you must have run
they must have run

V-ing perfect

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

Negation

Simple form

I mustn't run
you mustn't run
she mustn't run
we mustn't run
you mustn't run
they mustn't run

V-ing form

I mustn't be running
you mustn't be running
she mustn't be running
we mustn't be running
you mustn't be running
they mustn't be running

Perfect

I mustn't have run
you mustn't have run
she mustn't have run
we mustn't have run
you mustn't have run
they mustn't have run

V-ing perfect

I mustn't have been running
you mustn't have been running
she mustn't have been running
we mustn't have been running
you mustn't have been running
they mustn't have been running

Interrogative form

Simple form

must I run?
must you run?
must she run?
must we run?
must you run?
must they run?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I run?
mustn't you run?
mustn't she run?
mustn't we run?
mustn't you run?
mustn't they run?

V-ing form

mustn't I be running?
mustn't you be running?
mustn't she be running?
mustn't we be running?
mustn't you be running?
mustn't they be running?

Perfect

mustn't I have run?
mustn't you have run?
mustn't she have run?
mustn't we have run?
mustn't you have run?
mustn't they have run?

V-ing perfect

mustn't I have been running?
mustn't you have been running?
mustn't she have been running?
mustn't we have been running?
mustn't you have been running?
mustn't they have been running?

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