English verb conjugation
MUST UNTEACH

Irregular verb: unteach - untaught - untaught

Affirmation

Simple form	V-ing form
I must unteach you must unteach he must unteach we must unteach you must unteach they must unteach	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	V-ing 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	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	V-ing form
I must not unteach you must not unteach he must not unteach we must not unteach you must not unteach they must not unteach	I must not be unteaching you must not be unteaching he must not be unteaching we must not be unteaching you must not be unteaching they must not be unteaching
Perfect	V-ing perfect
I must not have untaught you must not have untaught he must not have untaught we must not have untaught you must not have untaught they must not have untaught	I must not have been unteaching you must not have been unteaching he must not have been unteaching we must not have been unteaching you must not have been unteaching they must not have been unteaching

Interrogative form

Simple form	V-ing form
must I unteach? must you unteach? must he unteach? must we unteach? must you unteach? must they unteach?	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	V-ing 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?	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	V-ing form
must I not unteach? must you not unteach? must he not unteach? must we not unteach? must you not unteach? must they not unteach?	must I not be unteaching? must you not be unteaching? must he not be unteaching? must we not be unteaching? must you not be unteaching? must they not be unteaching?
Perfect	V-ing perfect
must I not have untaught? must you not have untaught? must he not have untaught? must we not have untaught? must you not have untaught? must they not have untaught?	must I not have been unteaching? must you not have been unteaching? must he not have been unteaching? must we not have been unteaching? must you not have been unteaching? must they not have been unteaching?