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