English verb conjugation MUST INCUR

Regular verb: incur - incurred - incurred

Affirmation

Simple form

I must incur
you must incur
he must incur
we must incur
you must incur
they must incur

V-ing form

I must be incurring
you must be incurring
he must be incurring
we must be incurring
you must be incurring
they must be incurring

Perfect

I must have incurred
you must have incurred
he must have incurred
we must have incurred
you must have incurred
they must have incurred

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I incur?
must you incur?
must he incur?
must we incur?
must you incur?
must they incur?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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