English verb conjugation MUST BUM

Regular verb: bum - bummed - bummed

Affirmation

Simple form

I must bum
you must bum
she must bum
we must bum
you must bum
they must bum

V-ing form

I must be bumming
you must be bumming
she must be bumming
we must be bumming
you must be bumming
they must be bumming

Perfect

I must have bummed
you must have bummed
she must have bummed
we must have bummed
you must have bummed
they must have bummed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I bum?
must you bum?
must she bum?
must we bum?
must you bum?
must they bum?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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