English verb conjugation MUST START

Regular verb: start - started - started

Affirmation

Simple form

I must start
you must start
she must start
we must start
you must start
they must start

V-ing form

I must be starting
you must be starting
she must be starting
we must be starting
you must be starting
they must be starting

Perfect

I must have started
you must have started
she must have started
we must have started
you must have started
they must have started

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I start?
must you start?
must she start?
must we start?
must you start?
must they start?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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