English verb conjugation MUST JIB

Regular verb: jib - jibbed - jibbed

Affirmation

Simple form

I must jib
you must jib
she must jib
we must jib
you must jib
they must jib

V-ing form

I must be jibbing
you must be jibbing
she must be jibbing
we must be jibbing
you must be jibbing
they must be jibbing

Perfect

I must have jibbed
you must have jibbed
she must have jibbed
we must have jibbed
you must have jibbed
they must have jibbed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I jib?
must you jib?
must she jib?
must we jib?
must you jib?
must they jib?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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