English verb conjugation MUST JOKE

Regular verb: joke - joked - joked

Affirmation

Simple form

I must joke
you must joke
she must joke
we must joke
you must joke
they must joke

V-ing form

I must be joking
you must be joking
she must be joking
we must be joking
you must be joking
they must be joking

Perfect

I must have joked
you must have joked
she must have joked
we must have joked
you must have joked
they must have joked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I joke?
must you joke?
must she joke?
must we joke?
must you joke?
must they joke?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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