could quadrisect
Verbo regular: quadrisect - quadrisected- quadrisected

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could quadrisect
you could quadrisect
he could quadrisect
we could quadrisect
you could quadrisect
they could quadrisect 	I could be quadrisecting
you could be quadrisecting
he could be quadrisecting
we could be quadrisecting
you could be quadrisecting
they could be quadrisecting	I could have quadrisected
you could have quadrisected
he 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
he could have been quadrisecting
we could have been quadrisecting
you could have been quadrisecting
they could have been quadrisecting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't quadrisect
you couldn't quadrisect
he 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
he 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
he 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
he couldn't have been quadrisecting
we couldn't have been quadrisecting
you couldn't have been quadrisecting
they couldn't have been quadrisecting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I quadrisect?
could you quadrisect?
could he quadrisect?
could we quadrisect?
could you quadrisect?
could they quadrisect? 	could I be quadrisecting?
could you be quadrisecting?
could he be quadrisecting?
could we be quadrisecting?
could you be quadrisecting?
could they be quadrisecting? 	could I have quadrisected?
could you have quadrisected?
could he 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 he have been quadrisecting?
could we have been quadrisecting?
could you have been quadrisecting?
could they have been quadrisecting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I quadrisect?
couldn't you quadrisect?
couldn't he 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 he 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 he 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 he have been quadrisecting?
couldn't we have been quadrisecting?
couldn't you have been quadrisecting?
couldn't they have been quadrisecting?