English verb conjugation MUST GIBE

Regular verb: gibe - gibed - gibed

Affirmation

Simple form

I must gibe
you must gibe
she must gibe
we must gibe
you must gibe
they must gibe

V-ing form

I must be gibing
you must be gibing
she must be gibing
we must be gibing
you must be gibing
they must be gibing

Perfect

I must have gibed
you must have gibed
she must have gibed
we must have gibed
you must have gibed
they must have gibed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I gibe?
must you gibe?
must she gibe?
must we gibe?
must you gibe?
must they gibe?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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