I could fragment you could fragment she could fragment we could fragment you could fragment they could fragment
V-ing form
I could be fragmenting you could be fragmenting she could be fragmenting we could be fragmenting you could be fragmenting they could be fragmenting
Perfect
I could have fragmented you could have fragmented she could have fragmented we could have fragmented you could have fragmented they could have fragmented
V-ing perfect
I could have been fragmenting you could have been fragmenting she could have been fragmenting we could have been fragmenting you could have been fragmenting they could have been fragmenting
Negation
Simple form
I could not fragment you could not fragment she could not fragment we could not fragment you could not fragment they could not fragment
V-ing form
I could not be fragmenting you could not be fragmenting she could not be fragmenting we could not be fragmenting you could not be fragmenting they could not be fragmenting
Perfect
I could not have fragmented you could not have fragmented she could not have fragmented we could not have fragmented you could not have fragmented they could not have fragmented
V-ing perfect
I could not have been fragmenting you could not have been fragmenting she could not have been fragmenting we could not have been fragmenting you could not have been fragmenting they could not have been fragmenting
Interrogative form
Simple form
could I fragment? could you fragment? could she fragment? could we fragment? could you fragment? could they fragment?
V-ing form
could I be fragmenting? could you be fragmenting? could she be fragmenting? could we be fragmenting? could you be fragmenting? could they be fragmenting?
Perfect
could I have fragmented? could you have fragmented? could she have fragmented? could we have fragmented? could you have fragmented? could they have fragmented?
V-ing perfect
could I have been fragmenting? could you have been fragmenting? could she have been fragmenting? could we have been fragmenting? could you have been fragmenting? could they have been fragmenting?
Interro-negative form
Simple form
could I not fragment? could you not fragment? could she not fragment? could we not fragment? could you not fragment? could they not fragment?
V-ing form
could I not be fragmenting? could you not be fragmenting? could she not be fragmenting? could we not be fragmenting? could you not be fragmenting? could they not be fragmenting?
Perfect
could I not have fragmented? could you not have fragmented? could she not have fragmented? could we not have fragmented? could you not have fragmented? could they not have fragmented?
V-ing perfect
could I not have been fragmenting? could you not have been fragmenting? could she not have been fragmenting? could we not have been fragmenting? could you not have been fragmenting? could they not have been fragmenting?