English verb conjugation MUST BARK

Regular verb: bark - barked - barked

Affirmation

Simple form

I must bark
you must bark
he must bark
we must bark
you must bark
they must bark

V-ing form

I must be barking
you must be barking
he must be barking
we must be barking
you must be barking
they must be barking

Perfect

I must have barked
you must have barked
he must have barked
we must have barked
you must have barked
they must have barked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I bark?
must you bark?
must he bark?
must we bark?
must you bark?
must they bark?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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