English verb conjugation MUST RUB

Regular verb: rub - rubbed - rubbed

Affirmation

Simple form

I must rub
you must rub
he must rub
we must rub
you must rub
they must rub

V-ing form

I must be rubbing
you must be rubbing
he must be rubbing
we must be rubbing
you must be rubbing
they must be rubbing

Perfect

I must have rubbed
you must have rubbed
he must have rubbed
we must have rubbed
you must have rubbed
they must have rubbed

V-ing perfect

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

Negation

Simple form

I must not rub
you must not rub
he must not rub
we must not rub
you must not rub
they must not rub

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I rub?
must you rub?
must he rub?
must we rub?
must you rub?
must they rub?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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