English verb conjugation MUST CLERK

Regular verb: clerk - clerked - clerked

Affirmation

Simple form

I must clerk
you must clerk
he must clerk
we must clerk
you must clerk
they must clerk

V-ing form

I must be clerking
you must be clerking
he must be clerking
we must be clerking
you must be clerking
they must be clerking

Perfect

I must have clerked
you must have clerked
he must have clerked
we must have clerked
you must have clerked
they must have clerked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I clerk?
must you clerk?
must he clerk?
must we clerk?
must you clerk?
must they clerk?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top