English verb conjugation MUST KNOCK

Regular verb: knock - knocked - knocked


Affirmation

Simple form

I must knock
you must knock
he must knock
we must knock
you must knock
they must knock

V-ing form

I must be knocking
you must be knocking
he must be knocking
we must be knocking
you must be knocking
they must be knocking

Perfect

I must have knocked
you must have knocked
he must have knocked
we must have knocked
you must have knocked
they must have knocked

V-ing perfect

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

Negation

Simple form

I must not knock
you must not knock
he must not knock
we must not knock
you must not knock
they must not knock

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I knock?
must you knock?
must he knock?
must we knock?
must you knock?
must they knock?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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