English verb conjugation
COULD UNTEACH

Irregular verb: unteach - untaught - untaught

Affirmation

Simple form	V-ing form
I could unteach you could unteach he could unteach we could unteach you could unteach they could unteach	I could be unteaching you could be unteaching he could be unteaching we could be unteaching you could be unteaching they could be unteaching
Perfect	V-ing perfect
I could have untaught you could have untaught he could have untaught we could have untaught you could have untaught they could have untaught	I could have been unteaching you could have been unteaching he could have been unteaching we could have been unteaching you could have been unteaching they could have been unteaching

Negation

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

Interrogative form

Simple form	V-ing form
could I unteach? could you unteach? could he unteach? could we unteach? could you unteach? could they unteach?	could I be unteaching? could you be unteaching? could he be unteaching? could we be unteaching? could you be unteaching? could they be unteaching?
Perfect	V-ing perfect
could I have untaught? could you have untaught? could he have untaught? could we have untaught? could you have untaught? could they have untaught?	could I have been unteaching? could you have been unteaching? could he have been unteaching? could we have been unteaching? could you have been unteaching? could they have been unteaching?

Interro-negative form

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