English verb conjugation MUST GULL

Regular verb: gull - gulled - gulled

Affirmation

Simple form

I must gull
you must gull
she must gull
we must gull
you must gull
they must gull

V-ing form

I must be gulling
you must be gulling
she must be gulling
we must be gulling
you must be gulling
they must be gulling

Perfect

I must have gulled
you must have gulled
she must have gulled
we must have gulled
you must have gulled
they must have gulled

V-ing perfect

I must have been gulling
you must have been gulling
she must have been gulling
we must have been gulling
you must have been gulling
they must have been gulling

Negation

Simple form

I mustn't gull
you mustn't gull
she mustn't gull
we mustn't gull
you mustn't gull
they mustn't gull

V-ing form

I mustn't be gulling
you mustn't be gulling
she mustn't be gulling
we mustn't be gulling
you mustn't be gulling
they mustn't be gulling

Perfect

I mustn't have gulled
you mustn't have gulled
she mustn't have gulled
we mustn't have gulled
you mustn't have gulled
they mustn't have gulled

V-ing perfect

I mustn't have been gulling
you mustn't have been gulling
she mustn't have been gulling
we mustn't have been gulling
you mustn't have been gulling
they mustn't have been gulling

Interrogative form

Simple form

must I gull?
must you gull?
must she gull?
must we gull?
must you gull?
must they gull?

V-ing form

must I be gulling?
must you be gulling?
must she be gulling?
must we be gulling?
must you be gulling?
must they be gulling?

Perfect

must I have gulled?
must you have gulled?
must she have gulled?
must we have gulled?
must you have gulled?
must they have gulled?

V-ing perfect

must I have been gulling?
must you have been gulling?
must she have been gulling?
must we have been gulling?
must you have been gulling?
must they have been gulling?

Interro-negative form

Simple form

mustn't I gull?
mustn't you gull?
mustn't she gull?
mustn't we gull?
mustn't you gull?
mustn't they gull?

V-ing form

mustn't I be gulling?
mustn't you be gulling?
mustn't she be gulling?
mustn't we be gulling?
mustn't you be gulling?
mustn't they be gulling?

Perfect

mustn't I have gulled?
mustn't you have gulled?
mustn't she have gulled?
mustn't we have gulled?
mustn't you have gulled?
mustn't they have gulled?

V-ing perfect

mustn't I have been gulling?
mustn't you have been gulling?
mustn't she have been gulling?
mustn't we have been gulling?
mustn't you have been gulling?
mustn't they have been gulling?

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