I could quadrisect you could quadrisect he could quadrisect we could quadrisect you could quadrisect they could quadrisect
V-ing form
I could be quadrisecting you could be quadrisecting he could be quadrisecting we could be quadrisecting you could be quadrisecting they could be quadrisecting
Perfect
I could have quadrisected you could have quadrisected he could have quadrisected we could have quadrisected you could have quadrisected they could have quadrisected
V-ing perfect
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
Negation
Simple form
I could not quadrisect you could not quadrisect he could not quadrisect we could not quadrisect you could not quadrisect they could not quadrisect
V-ing form
I could not be quadrisecting you could not be quadrisecting he could not be quadrisecting we could not be quadrisecting you could not be quadrisecting they could not be quadrisecting
Perfect
I could not have quadrisected you could not have quadrisected he could not have quadrisected we could not have quadrisected you could not have quadrisected they could not have quadrisected
V-ing perfect
I could not have been quadrisecting you could not have been quadrisecting he could not have been quadrisecting we could not have been quadrisecting you could not have been quadrisecting they could not have been quadrisecting
Interrogative form
Simple form
could I quadrisect? could you quadrisect? could he quadrisect? could we quadrisect? could you quadrisect? could they quadrisect?
V-ing form
could I be quadrisecting? could you be quadrisecting? could he be quadrisecting? could we be quadrisecting? could you be quadrisecting? could they be quadrisecting?
Perfect
could I have quadrisected? could you have quadrisected? could he have quadrisected? could we have quadrisected? could you have quadrisected? could they have quadrisected?
V-ing perfect
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?
Interro-negative form
Simple form
could I not quadrisect? could you not quadrisect? could he not quadrisect? could we not quadrisect? could you not quadrisect? could they not quadrisect?
V-ing form
could I not be quadrisecting? could you not be quadrisecting? could he not be quadrisecting? could we not be quadrisecting? could you not be quadrisecting? could they not be quadrisecting?
Perfect
could I not have quadrisected? could you not have quadrisected? could he not have quadrisected? could we not have quadrisected? could you not have quadrisected? could they not have quadrisected?
V-ing perfect
could I not have been quadrisecting? could you not have been quadrisecting? could he not have been quadrisecting? could we not have been quadrisecting? could you not have been quadrisecting? could they not have been quadrisecting?