English verb conjugation MUST DEMARK

Regular verb: demark - demarked - demarked

Affirmation

Simple form

I must demark
you must demark
he must demark
we must demark
you must demark
they must demark

V-ing form

I must be demarking
you must be demarking
he must be demarking
we must be demarking
you must be demarking
they must be demarking

Perfect

I must have demarked
you must have demarked
he must have demarked
we must have demarked
you must have demarked
they must have demarked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I demark?
must you demark?
must he demark?
must we demark?
must you demark?
must they demark?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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