English verb conjugation MUST HARK

Regular verb: hark - harked - harked

Affirmation

Simple form

I must hark
you must hark
he must hark
we must hark
you must hark
they must hark

V-ing form

I must be harking
you must be harking
he must be harking
we must be harking
you must be harking
they must be harking

Perfect

I must have harked
you must have harked
he must have harked
we must have harked
you must have harked
they must have harked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I hark?
must you hark?
must he hark?
must we hark?
must you hark?
must they hark?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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