I could disconnect you could disconnect he could disconnect we could disconnect you could disconnect they could disconnect
V-ing form
I could be disconnecting you could be disconnecting he could be disconnecting we could be disconnecting you could be disconnecting they could be disconnecting
Perfect
I could have disconnected you could have disconnected he could have disconnected we could have disconnected you could have disconnected they could have disconnected
V-ing perfect
I could have been disconnecting you could have been disconnecting he could have been disconnecting we could have been disconnecting you could have been disconnecting they could have been disconnecting
Negation
Simple form
I couldn't disconnect you couldn't disconnect he couldn't disconnect we couldn't disconnect you couldn't disconnect they couldn't disconnect
V-ing form
I couldn't be disconnecting you couldn't be disconnecting he couldn't be disconnecting we couldn't be disconnecting you couldn't be disconnecting they couldn't be disconnecting
Perfect
I couldn't have disconnected you couldn't have disconnected he couldn't have disconnected we couldn't have disconnected you couldn't have disconnected they couldn't have disconnected
V-ing perfect
I couldn't have been disconnecting you couldn't have been disconnecting he couldn't have been disconnecting we couldn't have been disconnecting you couldn't have been disconnecting they couldn't have been disconnecting
Interrogative form
Simple form
could I disconnect? could you disconnect? could he disconnect? could we disconnect? could you disconnect? could they disconnect?
V-ing form
could I be disconnecting? could you be disconnecting? could he be disconnecting? could we be disconnecting? could you be disconnecting? could they be disconnecting?
Perfect
could I have disconnected? could you have disconnected? could he have disconnected? could we have disconnected? could you have disconnected? could they have disconnected?
V-ing perfect
could I have been disconnecting? could you have been disconnecting? could he have been disconnecting? could we have been disconnecting? could you have been disconnecting? could they have been disconnecting?
Interro-negative form
Simple form
couldn't I disconnect? couldn't you disconnect? couldn't he disconnect? couldn't we disconnect? couldn't you disconnect? couldn't they disconnect?
V-ing form
couldn't I be disconnecting? couldn't you be disconnecting? couldn't he be disconnecting? couldn't we be disconnecting? couldn't you be disconnecting? couldn't they be disconnecting?
Perfect
couldn't I have disconnected? couldn't you have disconnected? couldn't he have disconnected? couldn't we have disconnected? couldn't you have disconnected? couldn't they have disconnected?
V-ing perfect
couldn't I have been disconnecting? couldn't you have been disconnecting? couldn't he have been disconnecting? couldn't we have been disconnecting? couldn't you have been disconnecting? couldn't they have been disconnecting?