English verb conjugation MUST CONFAB

Regular verb: confab - confabed - confabed

Affirmation

Simple form

I must confab
you must confab
he must confab
we must confab
you must confab
they must confab

V-ing form

I must be confabing
you must be confabing
he must be confabing
we must be confabing
you must be confabing
they must be confabing

Perfect

I must have confabed
you must have confabed
he must have confabed
we must have confabed
you must have confabed
they must have confabed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I confab?
must you confab?
must he confab?
must we confab?
must you confab?
must they confab?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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