English verb conjugation MUST BARB

Regular verb: barb - barbed - barbed

Affirmation

Simple form

I must barb
you must barb
he must barb
we must barb
you must barb
they must barb

V-ing form

I must be barbing
you must be barbing
he must be barbing
we must be barbing
you must be barbing
they must be barbing

Perfect

I must have barbed
you must have barbed
he must have barbed
we must have barbed
you must have barbed
they must have barbed

V-ing perfect

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

Negation

Simple form

I must not barb
you must not barb
he must not barb
we must not barb
you must not barb
they must not barb

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I barb?
must you barb?
must he barb?
must we barb?
must you barb?
must they barb?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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