English verb conjugation MUST LEAVE

Irregular verb: leave - left - left

Affirmation

Simple form

I must leave
you must leave
he must leave
we must leave
you must leave
they must leave

V-ing form

I must be leaving
you must be leaving
he must be leaving
we must be leaving
you must be leaving
they must be leaving

Perfect

I must have left
you must have left
he must have left
we must have left
you must have left
they must have left

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I leave?
must you leave?
must he leave?
must we leave?
must you leave?
must they leave?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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