English verb conjugation MUST DRUM

Regular verb: drum - drummed - drummed

Affirmation

Simple form

I must drum
you must drum
he must drum
we must drum
you must drum
they must drum

V-ing form

I must be drumming
you must be drumming
he must be drumming
we must be drumming
you must be drumming
they must be drumming

Perfect

I must have drummed
you must have drummed
he must have drummed
we must have drummed
you must have drummed
they must have drummed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I drum?
must you drum?
must he drum?
must we drum?
must you drum?
must they drum?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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