English verb conjugation MUST SCRUB

Regular verb: scrub - scrubbed - scrubbed

Affirmation

Simple form

I must scrub
you must scrub
he must scrub
we must scrub
you must scrub
they must scrub

V-ing form

I must be scrubbing
you must be scrubbing
he must be scrubbing
we must be scrubbing
you must be scrubbing
they must be scrubbing

Perfect

I must have scrubbed
you must have scrubbed
he must have scrubbed
we must have scrubbed
you must have scrubbed
they must have scrubbed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I scrub?
must you scrub?
must he scrub?
must we scrub?
must you scrub?
must they scrub?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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