could unteach
Verbe irrégulier : unteach - untaught- untaught

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could unteach
you could unteach
she could unteach
we could unteach
you could unteach
they could unteach 	I could be unteaching
you could be unteaching
she could be unteaching
we could be unteaching
you could be unteaching
they could be unteaching	I could have untaught
you could have untaught
she 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
she could have been unteaching
we could have been unteaching
you could have been unteaching
they could have been unteaching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not unteach
you could not unteach
she 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
she could not be unteaching
we could not be unteaching
you could not be unteaching
they could not be unteaching	I could not have untaught
you could not have untaught
she 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
she could not have been unteaching
we could not have been unteaching
you could not have been unteaching
they could not have been unteaching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I unteach?
could you unteach?
could she unteach?
could we unteach?
could you unteach?
could they unteach? 	could I be unteaching?
could you be unteaching?
could she be unteaching?
could we be unteaching?
could you be unteaching?
could they be unteaching? 	could I have untaught?
could you have untaught?
could she 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 she have been unteaching?
could we have been unteaching?
could you have been unteaching?
could they have been unteaching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not unteach?
could you not unteach?
could she 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 she not be unteaching?
could we not be unteaching?
could you not be unteaching?
could they not be unteaching? 	could I not have untaught?
could you not have untaught?
could she 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 she not have been unteaching?
could we not have been unteaching?
could you not have been unteaching?
could they not have been unteaching?