English verb conjugation MUST PREFAB

Regular verb: prefab - prefabed - prefabed

Affirmation

Simple form

I must prefab
you must prefab
she must prefab
we must prefab
you must prefab
they must prefab

V-ing form

I must be prefabing
you must be prefabing
she must be prefabing
we must be prefabing
you must be prefabing
they must be prefabing

Perfect

I must have prefabed
you must have prefabed
she must have prefabed
we must have prefabed
you must have prefabed
they must have prefabed

V-ing perfect

I must have been prefabing
you must have been prefabing
she must have been prefabing
we must have been prefabing
you must have been prefabing
they must have been prefabing

Negation

Simple form

I mustn't prefab
you mustn't prefab
she mustn't prefab
we mustn't prefab
you mustn't prefab
they mustn't prefab

V-ing form

I mustn't be prefabing
you mustn't be prefabing
she mustn't be prefabing
we mustn't be prefabing
you mustn't be prefabing
they mustn't be prefabing

Perfect

I mustn't have prefabed
you mustn't have prefabed
she mustn't have prefabed
we mustn't have prefabed
you mustn't have prefabed
they mustn't have prefabed

V-ing perfect

I mustn't have been prefabing
you mustn't have been prefabing
she mustn't have been prefabing
we mustn't have been prefabing
you mustn't have been prefabing
they mustn't have been prefabing

Interrogative form

Simple form

must I prefab?
must you prefab?
must she prefab?
must we prefab?
must you prefab?
must they prefab?

V-ing form

must I be prefabing?
must you be prefabing?
must she be prefabing?
must we be prefabing?
must you be prefabing?
must they be prefabing?

Perfect

must I have prefabed?
must you have prefabed?
must she have prefabed?
must we have prefabed?
must you have prefabed?
must they have prefabed?

V-ing perfect

must I have been prefabing?
must you have been prefabing?
must she have been prefabing?
must we have been prefabing?
must you have been prefabing?
must they have been prefabing?

Interro-negative form

Simple form

mustn't I prefab?
mustn't you prefab?
mustn't she prefab?
mustn't we prefab?
mustn't you prefab?
mustn't they prefab?

V-ing form

mustn't I be prefabing?
mustn't you be prefabing?
mustn't she be prefabing?
mustn't we be prefabing?
mustn't you be prefabing?
mustn't they be prefabing?

Perfect

mustn't I have prefabed?
mustn't you have prefabed?
mustn't she have prefabed?
mustn't we have prefabed?
mustn't you have prefabed?
mustn't they have prefabed?

V-ing perfect

mustn't I have been prefabing?
mustn't you have been prefabing?
mustn't she have been prefabing?
mustn't we have been prefabing?
mustn't you have been prefabing?
mustn't they have been prefabing?

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