could demark
Verbe régulier : demark - demarked- demarked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could demark
you could demark
he could demark
we could demark
you could demark
they could demark 	I could be demarking
you could be demarking
he could be demarking
we could be demarking
you could be demarking
they could be demarking	I could have demarked
you could have demarked
he could have demarked
we could have demarked
you could have demarked
they could have demarked	I could have been demarking
you could have been demarking
he could have been demarking
we could have been demarking
you could have been demarking
they could have been demarking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not demark
you could not demark
he could not demark
we could not demark
you could not demark
they could not demark 	I could not be demarking
you could not be demarking
he could not be demarking
we could not be demarking
you could not be demarking
they could not be demarking	I could not have demarked
you could not have demarked
he could not have demarked
we could not have demarked
you could not have demarked
they could not have demarked	I could not have been demarking
you could not have been demarking
he could not have been demarking
we could not have been demarking
you could not have been demarking
they could not have been demarking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I demark?
could you demark?
could he demark?
could we demark?
could you demark?
could they demark? 	could I be demarking?
could you be demarking?
could he be demarking?
could we be demarking?
could you be demarking?
could they be demarking? 	could I have demarked?
could you have demarked?
could he have demarked?
could we have demarked?
could you have demarked?
could they have demarked? 	could I have been demarking?
could you have been demarking?
could he have been demarking?
could we have been demarking?
could you have been demarking?
could they have been demarking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not demark?
could you not demark?
could he not demark?
could we not demark?
could you not demark?
could they not demark? 	could I not be demarking?
could you not be demarking?
could he not be demarking?
could we not be demarking?
could you not be demarking?
could they not be demarking? 	could I not have demarked?
could you not have demarked?
could he not have demarked?
could we not have demarked?
could you not have demarked?
could they not have demarked? 	could I not have been demarking?
could you not have been demarking?
could he not have been demarking?
could we not have been demarking?
could you not have been demarking?
could they not have been demarking?