could demythologise
Regular verb: demythologise - demythologised- demythologised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could demythologise
you could demythologise
he could demythologise
we could demythologise
you could demythologise
they could demythologise 	I could be demythologising
you could be demythologising
he could be demythologising
we could be demythologising
you could be demythologising
they could be demythologising	I could have demythologised
you could have demythologised
he could have demythologised
we could have demythologised
you could have demythologised
they could have demythologised	I could have been demythologising
you could have been demythologising
he could have been demythologising
we could have been demythologising
you could have been demythologising
they could have been demythologising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not demythologise
you could not demythologise
he could not demythologise
we could not demythologise
you could not demythologise
they could not demythologise 	I could not be demythologising
you could not be demythologising
he could not be demythologising
we could not be demythologising
you could not be demythologising
they could not be demythologising	I could not have demythologised
you could not have demythologised
he could not have demythologised
we could not have demythologised
you could not have demythologised
they could not have demythologised	I could not have been demythologising
you could not have been demythologising
he could not have been demythologising
we could not have been demythologising
you could not have been demythologising
they could not have been demythologising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I demythologise?
could you demythologise?
could he demythologise?
could we demythologise?
could you demythologise?
could they demythologise? 	could I be demythologising?
could you be demythologising?
could he be demythologising?
could we be demythologising?
could you be demythologising?
could they be demythologising? 	could I have demythologised?
could you have demythologised?
could he have demythologised?
could we have demythologised?
could you have demythologised?
could they have demythologised? 	could I have been demythologising?
could you have been demythologising?
could he have been demythologising?
could we have been demythologising?
could you have been demythologising?
could they have been demythologising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not demythologise?
could you not demythologise?
could he not demythologise?
could we not demythologise?
could you not demythologise?
could they not demythologise? 	could I not be demythologising?
could you not be demythologising?
could he not be demythologising?
could we not be demythologising?
could you not be demythologising?
could they not be demythologising? 	could I not have demythologised?
could you not have demythologised?
could he not have demythologised?
could we not have demythologised?
could you not have demythologised?
could they not have demythologised? 	could I not have been demythologising?
could you not have been demythologising?
could he not have been demythologising?
could we not have been demythologising?
could you not have been demythologising?
could they not have been demythologising?