could quadrisect
Verbe régulier : quadrisect - quadrisected- quadrisected

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could quadrisect
you could quadrisect
she could quadrisect
we could quadrisect
you could quadrisect
they could quadrisect 	I could be quadrisecting
you could be quadrisecting
she could be quadrisecting
we could be quadrisecting
you could be quadrisecting
they could be quadrisecting	I could have quadrisected
you could have quadrisected
she could have quadrisected
we could have quadrisected
you could have quadrisected
they could have quadrisected	I could have been quadrisecting
you could have been quadrisecting
she could have been quadrisecting
we could have been quadrisecting
you could have been quadrisecting
they could have been quadrisecting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't quadrisect
you couldn't quadrisect
she couldn't quadrisect
we couldn't quadrisect
you couldn't quadrisect
they couldn't quadrisect 	I couldn't be quadrisecting
you couldn't be quadrisecting
she couldn't be quadrisecting
we couldn't be quadrisecting
you couldn't be quadrisecting
they couldn't be quadrisecting	I couldn't have quadrisected
you couldn't have quadrisected
she couldn't have quadrisected
we couldn't have quadrisected
you couldn't have quadrisected
they couldn't have quadrisected	I couldn't have been quadrisecting
you couldn't have been quadrisecting
she couldn't have been quadrisecting
we couldn't have been quadrisecting
you couldn't have been quadrisecting
they couldn't have been quadrisecting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I quadrisect?
could you quadrisect?
could she quadrisect?
could we quadrisect?
could you quadrisect?
could they quadrisect? 	could I be quadrisecting?
could you be quadrisecting?
could she be quadrisecting?
could we be quadrisecting?
could you be quadrisecting?
could they be quadrisecting? 	could I have quadrisected?
could you have quadrisected?
could she have quadrisected?
could we have quadrisected?
could you have quadrisected?
could they have quadrisected? 	could I have been quadrisecting?
could you have been quadrisecting?
could she have been quadrisecting?
could we have been quadrisecting?
could you have been quadrisecting?
could they have been quadrisecting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I quadrisect?
couldn't you quadrisect?
couldn't she quadrisect?
couldn't we quadrisect?
couldn't you quadrisect?
couldn't they quadrisect? 	couldn't I be quadrisecting?
couldn't you be quadrisecting?
couldn't she be quadrisecting?
couldn't we be quadrisecting?
couldn't you be quadrisecting?
couldn't they be quadrisecting? 	couldn't I have quadrisected?
couldn't you have quadrisected?
couldn't she have quadrisected?
couldn't we have quadrisected?
couldn't you have quadrisected?
couldn't they have quadrisected? 	couldn't I have been quadrisecting?
couldn't you have been quadrisecting?
couldn't she have been quadrisecting?
couldn't we have been quadrisecting?
couldn't you have been quadrisecting?
couldn't they have been quadrisecting?