I could disjoin you could disjoin she could disjoin we could disjoin you could disjoin they could disjoin
V-ing form
I could be disjoining you could be disjoining she could be disjoining we could be disjoining you could be disjoining they could be disjoining
Perfect
I could have disjoined you could have disjoined she could have disjoined we could have disjoined you could have disjoined they could have disjoined
V-ing perfect
I could have been disjoining you could have been disjoining she could have been disjoining we could have been disjoining you could have been disjoining they could have been disjoining
Negation
Simple form
I couldn't disjoin you couldn't disjoin she couldn't disjoin we couldn't disjoin you couldn't disjoin they couldn't disjoin
V-ing form
I couldn't be disjoining you couldn't be disjoining she couldn't be disjoining we couldn't be disjoining you couldn't be disjoining they couldn't be disjoining
Perfect
I couldn't have disjoined you couldn't have disjoined she couldn't have disjoined we couldn't have disjoined you couldn't have disjoined they couldn't have disjoined
V-ing perfect
I couldn't have been disjoining you couldn't have been disjoining she couldn't have been disjoining we couldn't have been disjoining you couldn't have been disjoining they couldn't have been disjoining
Interrogative form
Simple form
could I disjoin? could you disjoin? could she disjoin? could we disjoin? could you disjoin? could they disjoin?
V-ing form
could I be disjoining? could you be disjoining? could she be disjoining? could we be disjoining? could you be disjoining? could they be disjoining?
Perfect
could I have disjoined? could you have disjoined? could she have disjoined? could we have disjoined? could you have disjoined? could they have disjoined?
V-ing perfect
could I have been disjoining? could you have been disjoining? could she have been disjoining? could we have been disjoining? could you have been disjoining? could they have been disjoining?
Interro-negative form
Simple form
couldn't I disjoin? couldn't you disjoin? couldn't she disjoin? couldn't we disjoin? couldn't you disjoin? couldn't they disjoin?
V-ing form
couldn't I be disjoining? couldn't you be disjoining? couldn't she be disjoining? couldn't we be disjoining? couldn't you be disjoining? couldn't they be disjoining?
Perfect
couldn't I have disjoined? couldn't you have disjoined? couldn't she have disjoined? couldn't we have disjoined? couldn't you have disjoined? couldn't they have disjoined?
V-ing perfect
couldn't I have been disjoining? couldn't you have been disjoining? couldn't she have been disjoining? couldn't we have been disjoining? couldn't you have been disjoining? couldn't they have been disjoining?