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 must not demark
you must not demark
he must not demark
we must not demark
you must not demark
they must not demark

V-ing form

I must not be demarking
you must not be demarking
he must not be demarking
we must not be demarking
you must not be demarking
they must not be demarking

Perfect

I must not have demarked
you must not have demarked
he must not have demarked
we must not have demarked
you must not have demarked
they must not have demarked

V-ing perfect

I must not have been demarking
you must not have been demarking
he must not have been demarking
we must not have been demarking
you must not have been demarking
they must not 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

must I not demark?
must you not demark?
must he not demark?
must we not demark?
must you not demark?
must they not demark?

V-ing form

must I not be demarking?
must you not be demarking?
must he not be demarking?
must we not be demarking?
must you not be demarking?
must they not be demarking?

Perfect

must I not have demarked?
must you not have demarked?
must he not have demarked?
must we not have demarked?
must you not have demarked?
must they not have demarked?

V-ing perfect

must I not have been demarking?
must you not have been demarking?
must he not have been demarking?
must we not have been demarking?
must you not have been demarking?
must they not have been demarking?

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