English verb conjugation MUST SHIRK

Regular verb: shirk - shirked - shirked

Affirmation

Simple form

I must shirk
you must shirk
he must shirk
we must shirk
you must shirk
they must shirk

V-ing form

I must be shirking
you must be shirking
he must be shirking
we must be shirking
you must be shirking
they must be shirking

Perfect

I must have shirked
you must have shirked
he must have shirked
we must have shirked
you must have shirked
they must have shirked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I shirk?
must you shirk?
must he shirk?
must we shirk?
must you shirk?
must they shirk?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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