English verb conjugation MUST GULP

Regular verb: gulp - gulped - gulped

Affirmation

Simple form

I must gulp
you must gulp
she must gulp
we must gulp
you must gulp
they must gulp

V-ing form

I must be gulping
you must be gulping
she must be gulping
we must be gulping
you must be gulping
they must be gulping

Perfect

I must have gulped
you must have gulped
she must have gulped
we must have gulped
you must have gulped
they must have gulped

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I gulp?
must you gulp?
must she gulp?
must we gulp?
must you gulp?
must they gulp?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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