English verb conjugation MUST TEACH

Irregular verb: teach - taught - taught

Affirmation

Simple form

I must teach
you must teach
he must teach
we must teach
you must teach
they must teach

V-ing form

I must be teaching
you must be teaching
he must be teaching
we must be teaching
you must be teaching
they must be teaching

Perfect

I must have taught
you must have taught
he must have taught
we must have taught
you must have taught
they must have taught

V-ing perfect

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

Negation

Simple form

I must not teach
you must not teach
he must not teach
we must not teach
you must not teach
they must not teach

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I teach?
must you teach?
must he teach?
must we teach?
must you teach?
must they teach?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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