English verb conjugation MUST JAM

Regular verb: jam - jammed - jammed

Affirmation

Simple form

I must jam
you must jam
he must jam
we must jam
you must jam
they must jam

V-ing form

I must be jamming
you must be jamming
he must be jamming
we must be jamming
you must be jamming
they must be jamming

Perfect

I must have jammed
you must have jammed
he must have jammed
we must have jammed
you must have jammed
they must have jammed

V-ing perfect

I must have been jamming
you must have been jamming
he must have been jamming
we must have been jamming
you must have been jamming
they must have been jamming

Negation

Simple form

I mustn't jam
you mustn't jam
he mustn't jam
we mustn't jam
you mustn't jam
they mustn't jam

V-ing form

I mustn't be jamming
you mustn't be jamming
he mustn't be jamming
we mustn't be jamming
you mustn't be jamming
they mustn't be jamming

Perfect

I mustn't have jammed
you mustn't have jammed
he mustn't have jammed
we mustn't have jammed
you mustn't have jammed
they mustn't have jammed

V-ing perfect

I mustn't have been jamming
you mustn't have been jamming
he mustn't have been jamming
we mustn't have been jamming
you mustn't have been jamming
they mustn't have been jamming

Interrogative form

Simple form

must I jam?
must you jam?
must he jam?
must we jam?
must you jam?
must they jam?

V-ing form

must I be jamming?
must you be jamming?
must he be jamming?
must we be jamming?
must you be jamming?
must they be jamming?

Perfect

must I have jammed?
must you have jammed?
must he have jammed?
must we have jammed?
must you have jammed?
must they have jammed?

V-ing perfect

must I have been jamming?
must you have been jamming?
must he have been jamming?
must we have been jamming?
must you have been jamming?
must they have been jamming?

Interro-negative form

Simple form

mustn't I jam?
mustn't you jam?
mustn't he jam?
mustn't we jam?
mustn't you jam?
mustn't they jam?

V-ing form

mustn't I be jamming?
mustn't you be jamming?
mustn't he be jamming?
mustn't we be jamming?
mustn't you be jamming?
mustn't they be jamming?

Perfect

mustn't I have jammed?
mustn't you have jammed?
mustn't he have jammed?
mustn't we have jammed?
mustn't you have jammed?
mustn't they have jammed?

V-ing perfect

mustn't I have been jamming?
mustn't you have been jamming?
mustn't he have been jamming?
mustn't we have been jamming?
mustn't you have been jamming?
mustn't they have been jamming?

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