English verb conjugation MUST UNTEACH

Irregular verb: unteach - untaught - untaught

Affirmation

Simple form

I must unteach
you must unteach
he must unteach
we must unteach
you must unteach
they must unteach

V-ing form

I must be unteaching
you must be unteaching
he must be unteaching
we must be unteaching
you must be unteaching
they must be unteaching

Perfect

I must have untaught
you must have untaught
he must have untaught
we must have untaught
you must have untaught
they must have untaught

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I unteach?
must you unteach?
must he unteach?
must we unteach?
must you unteach?
must they unteach?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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